Find a vulnerability

{
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    "adp": [
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              "content": {
                "id": "CVE-2026-111089",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-11-06T14:38:19.026084Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
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        "providerMetadata": {
          "dateUpdated": "2026-11-06T14:38:33.160Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.wicket:wicket-core",
          "packageURL": "pkg:maven/org.apache.wicket/wicket-core",
          "product": "Apache Wicket",
          "vendor": "Apache Software Foundation",
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              "status": "affected",
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              "status": "affected",
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              "status": "affected",
              "version": "10.0.0",
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          "lang": "en",
          "type": "finder",
          "value": "Pedro Santos"
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          "lang": "en",
          "supportingMedia": [
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              "type": "text/html",
              "value": "\u003cp\u003eApache Wicket reads texts from the application\u0027s resource bundles \u2014 a localized label, a css class name \u2014 and writes some of them into the JavaScript and the markup it generates for a component. Those texts are placed inside single-quoted JavaScript string literals and inside quoted attribute values without being escaped for that context, so a text containing a quote ends the literal or the attribute, and what follows is parsed as script or as markup in the application\u0027s origin when the page loads.\u003cbr\u003e\u003cbr\u003eA resource bundle entry is authored for the application and does not say where the framework will write it. The same key is read by the framework into element text, where Wicket escapes it, and into the contexts below, where it did not. A text containing an apostrophe, which is ordinary in several languages, is enough to break the page; a text under the influence of another party is enough to run script.\u003cbr\u003e\u003cbr\u003eIn org.apache.wicket:wicket-core, org.apache.wicket.markup.html.form.upload.MultiFileUploadField writes the org.apache.wicket.mfu.delete message into a JavaScript string literal, and org.apache.wicket.markup.html.form.Form writes the hidden-fields css class into the class attribute of the container it renders for its hidden fields; on 8.0.0 through 8.19.0 and 9.0.0 through 9.24.0 Form#appendDefaultButtonField writes the same css class into a second container. In org.apache.wicket:wicket-extensions, UploadProgressBar writes its UploadProgressBar.starting text into a JavaScript string literal, FilterForm writes the hidden-fields css class into the class attribute of its hidden input markup, and on 9.0.0 through 9.24.0 and 10.0.0 through 10.11.0 TrapFocusBehavior writes its current css class into a JavaScript string literal.\u003cbr\u003e\u003cbr\u003eThe Content-Security-Policy that Apache Wicket 9.x and 10.x send by default does not prevent the JavaScript cases: the generated script is written into a script element carrying the per-response nonce, so the injected code is part of a script the policy admits. It does prevent an inline event handler injected through the attribute cases.\u003cbr\u003e\u003cbr\u003eThis issue affects Apache Wicket: from 8.0.0 through 8.19.0, from 9.0.0 through 9.24.0, from 10.0.0 through 10.11.0. Users of Apache Wicket 7.x or older, which are no longer supported, should upgrade to a supported version. Users are recommended to upgrade to version 8.20.0, 9.25.0 or 10.12.0, which fix the issue.\u003c/p\u003e"
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          "value": "Apache Wicket reads texts from the application\u0027s resource bundles \u2014 a localized label, a css class name \u2014 and writes some of them into the JavaScript and the markup it generates for a component. Those texts are placed inside single-quoted JavaScript string literals and inside quoted attribute values without being escaped for that context, so a text containing a quote ends the literal or the attribute, and what follows is parsed as script or as markup in the application\u0027s origin when the page loads.\n\nA resource bundle entry is authored for the application and does not say where the framework will write it. The same key is read by the framework into element text, where Wicket escapes it, and into the contexts below, where it did not. A text containing an apostrophe, which is ordinary in several languages, is enough to break the page; a text under the influence of another party is enough to run script.\n\nIn org.apache.wicket:wicket-core, org.apache.wicket.markup.html.form.upload.MultiFileUploadField writes the org.apache.wicket.mfu.delete message into a JavaScript string literal, and org.apache.wicket.markup.html.form.Form writes the hidden-fields css class into the class attribute of the container it renders for its hidden fields; on 8.0.0 through 8.19.0 and 9.0.0 through 9.24.0 Form#appendDefaultButtonField writes the same css class into a second container. In org.apache.wicket:wicket-extensions, UploadProgressBar writes its UploadProgressBar.starting text into a JavaScript string literal, FilterForm writes the hidden-fields css class into the class attribute of its hidden input markup, and on 9.0.0 through 9.24.0 and 10.0.0 through 10.11.0 TrapFocusBehavior writes its current css class into a JavaScript string literal.\n\nThe Content-Security-Policy that Apache Wicket 9.x and 10.x send by default does not prevent the JavaScript cases: the generated script is written into a script element carrying the per-response nonce, so the injected code is part of a script the policy admits. It does prevent an inline event handler injected through the attribute cases.\n\nThis issue affects Apache Wicket: from 8.0.0 through 8.19.0, from 9.0.0 through 9.24.0, from 10.0.0 through 10.11.0. Users of Apache Wicket 7.x or older, which are no longer supported, should upgrade to a supported version. Users are recommended to upgrade to version 8.20.0, 9.25.0 or 10.12.0, which fix the issue."
        }
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            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
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          "scenarios": [
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              "value": "GENERAL"
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          "descriptions": [
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              "cweId": "CWE-79",
              "description": "CWE-79 Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
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        "dateUpdated": "2026-11-01T22:32:09.104Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
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          "url": "https://lists.apache.org/thread.html/xyp4sm5mm7s618fktstb22577qxbmqw8"
        }
      ],
      "source": {
        "discovery": "INTERNAL"
      },
      "title": "Apache Wicket: XSS via a resource bundle text written unescaped into generated JavaScript and markup",
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    "assignerShortName": "apache",
    "cveId": "CVE-2026-111089",
    "datePublished": "2026-11-01T22:32:09.104Z",
    "dateReserved": "2026-10-15T14:55:22.953Z",
    "dateUpdated": "2026-11-06T14:38:33.160Z",
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    "adp": [
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              "content": {
                "id": "CVE-2026-95863",
                "options": [
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-11-06T14:40:14.698498Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-11-06T14:41:09.811Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.wicket:wicket-core",
          "packageURL": "pkg:maven/org.apache.wicket/wicket-core",
          "product": "Apache Wicket",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "8.19.0",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "9.24.0",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.11.0",
              "status": "affected",
              "version": "10.0.0",
              "versionType": "semver"
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          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Pedro Santos"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
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              "type": "text/html",
              "value": "Improper neutralization of input during web page generation in Apache Wicket.\u003cbr\u003e\u003cbr\u003eApache Wicket generates JavaScript that refers to the elements it renders, and\u003cbr\u003ewrites into that JavaScript two values it derives itself: a component\u0027s markup\u003cbr\u003eid, and the input name of a form component, which is built from component ids.\u003cbr\u003eBoth are placed inside single-quoted JavaScript string literals without being\u003cbr\u003eescaped for that context, so a value containing a single quote or a backslash\u003cbr\u003eends the literal, and what follows is parsed as script and runs in the\u003cbr\u003eapplication\u0027s origin when the page loads.\u003cbr\u003e\u003cbr\u003eA markup id is the value passed to org.apache.wicket.Component#setMarkupId(String),\u003cbr\u003eor the id attribute written in the component\u0027s markup, or an id Wicket\u003cbr\u003egenerates, in that order. The first two are supplied by the application in an\u003cbr\u003eHTML context, where both characters are legal and where Wicket escapes them\u003cbr\u003ecorrectly when it writes the same value into the id attribute of the element; a\u003cbr\u003egenerated id cannot contain either. An input name is derived from the ids of the\u003cbr\u003ecomponents between the form and the form component, and a component id was\u003cbr\u003erejected only for \u0027:\u0027 and \u0027~\u0027.\u003cbr\u003e\u003cbr\u003eIn org.apache.wicket:wicket-core on 9.x and 10.x,\u003cbr\u003eorg.apache.wicket.markup.head.OnEventHeaderItem#forMarkupId(String, String,\u003cbr\u003eCharSequence) quotes the id it is given into a Wicket.Event.add call, and\u003cbr\u003ecomponents in both wicket-core and wicket-extensions reach it through\u003cbr\u003e#forComponent(Component, String, CharSequence). On every affected version,\u003cbr\u003eorg.apache.wicket.markup.html.form.Form writes its markup id and the id of its\u003cbr\u003ehidden-fields container into such literals,\u003cbr\u003eorg.apache.wicket.markup.html.form.FormComponentUpdatingBehavior writes an input\u003cbr\u003ename, and org.apache.wicket.markup.html.form.upload.MultiFileUploadField writes\u003cbr\u003etwo markup ids and an input name. On 8.x, Form also writes an input name into the\u003cbr\u003eaction of a submitting link, and on 8.x and 9.x Form#appendDefaultButtonField\u003cbr\u003ewrites an input name into a name attribute with no escaping at all, so a value\u003cbr\u003econtaining a double quote escapes the attribute into markup.\u003cbr\u003e\u003cbr\u003eorg.apache.wicket:wicket-extensions is affected in its own right and not only\u003cbr\u003ethrough wicket-core: AjaxEditableLabel, AjaxIndicatorAppender,\u003cbr\u003eAjaxDisableComponentListener, UploadProgressBar, KittenCaptchaPanel, Palette,\u003cbr\u003eFilterForm and, on 9.x and 10.x, TrapFocusBehavior and AjaxListPanel each build\u003cbr\u003etheir own JavaScript containing a markup id.\u003cbr\u003e\u003cbr\u003eAn application is affected where a markup id or a component id carries one of\u003cbr\u003ethose characters. Wicket does not put one there itself, so the value comes from\u003cbr\u003ethe application: an id set on a component, an id attribute in a template, or a\u003cbr\u003ecomponent id derived from data. None of those is a JavaScript context from the\u003cbr\u003eapplication\u0027s point of view.\u003cbr\u003e\u003cbr\u003eThe Content-Security-Policy that Apache Wicket 9.x and 10.x send by default does\u003cbr\u003enot prevent this. The generated script is written into a script element carrying\u003cbr\u003ethe per-response nonce, so the injected code is part of a script the policy\u003cbr\u003eadmits.\u003cbr\u003e\u003cbr\u003eThe fixed versions check an id where it enters instead of escaping each place it\u003cbr\u003eis written. A component id and a markup id may no longer contain a quote, a\u003cbr\u003ebackquote, a backslash, braces, angle brackets, a semicolon, an ampersand or a\u003cbr\u003econtrol character, and a markup id may not contain parentheses or square\u003cbr\u003ebrackets either; a component constructed with such an id, or given such a markup\u003cbr\u003eid, fails with an exception.\u003cbr\u003e\u003cbr\u003eThis issue affects Apache Wicket: from 8.0.0 through 8.19.0, from 9.0.0 through\u003cbr\u003e9.24.0, from 10.0.0 through 10.11.0. Users of Apache Wicket 7.x or older, which\u003cbr\u003eare no longer supported, should upgrade to a supported version. Users are\u003cbr\u003erecommended to upgrade to version 8.20.0, 9.25.0 or 10.12.0, which fix the issue."
            }
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          "value": "Improper neutralization of input during web page generation in Apache Wicket.\n\nApache Wicket generates JavaScript that refers to the elements it renders, and\nwrites into that JavaScript two values it derives itself: a component\u0027s markup\nid, and the input name of a form component, which is built from component ids.\nBoth are placed inside single-quoted JavaScript string literals without being\nescaped for that context, so a value containing a single quote or a backslash\nends the literal, and what follows is parsed as script and runs in the\napplication\u0027s origin when the page loads.\n\nA markup id is the value passed to org.apache.wicket.Component#setMarkupId(String),\nor the id attribute written in the component\u0027s markup, or an id Wicket\ngenerates, in that order. The first two are supplied by the application in an\nHTML context, where both characters are legal and where Wicket escapes them\ncorrectly when it writes the same value into the id attribute of the element; a\ngenerated id cannot contain either. An input name is derived from the ids of the\ncomponents between the form and the form component, and a component id was\nrejected only for \u0027:\u0027 and \u0027~\u0027.\n\nIn org.apache.wicket:wicket-core on 9.x and 10.x,\norg.apache.wicket.markup.head.OnEventHeaderItem#forMarkupId(String, String,\nCharSequence) quotes the id it is given into a Wicket.Event.add call, and\ncomponents in both wicket-core and wicket-extensions reach it through\n#forComponent(Component, String, CharSequence). On every affected version,\norg.apache.wicket.markup.html.form.Form writes its markup id and the id of its\nhidden-fields container into such literals,\norg.apache.wicket.markup.html.form.FormComponentUpdatingBehavior writes an input\nname, and org.apache.wicket.markup.html.form.upload.MultiFileUploadField writes\ntwo markup ids and an input name. On 8.x, Form also writes an input name into the\naction of a submitting link, and on 8.x and 9.x Form#appendDefaultButtonField\nwrites an input name into a name attribute with no escaping at all, so a value\ncontaining a double quote escapes the attribute into markup.\n\norg.apache.wicket:wicket-extensions is affected in its own right and not only\nthrough wicket-core: AjaxEditableLabel, AjaxIndicatorAppender,\nAjaxDisableComponentListener, UploadProgressBar, KittenCaptchaPanel, Palette,\nFilterForm and, on 9.x and 10.x, TrapFocusBehavior and AjaxListPanel each build\ntheir own JavaScript containing a markup id.\n\nAn application is affected where a markup id or a component id carries one of\nthose characters. Wicket does not put one there itself, so the value comes from\nthe application: an id set on a component, an id attribute in a template, or a\ncomponent id derived from data. None of those is a JavaScript context from the\napplication\u0027s point of view.\n\nThe Content-Security-Policy that Apache Wicket 9.x and 10.x send by default does\nnot prevent this. The generated script is written into a script element carrying\nthe per-response nonce, so the injected code is part of a script the policy\nadmits.\n\nThe fixed versions check an id where it enters instead of escaping each place it\nis written. A component id and a markup id may no longer contain a quote, a\nbackquote, a backslash, braces, angle brackets, a semicolon, an ampersand or a\ncontrol character, and a markup id may not contain parentheses or square\nbrackets either; a component constructed with such an id, or given such a markup\nid, fails with an exception.\n\nThis issue affects Apache Wicket: from 8.0.0 through 8.19.0, from 9.0.0 through\n9.24.0, from 10.0.0 through 10.11.0. Users of Apache Wicket 7.x or older, which\nare no longer supported, should upgrade to a supported version. Users are\nrecommended to upgrade to version 8.20.0, 9.25.0 or 10.12.0, which fix the issue."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "PRESENT",
            "attackVector": "NETWORK",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "exploitMaturity": "NOT_DEFINED",
            "privilegesRequired": "NONE",
            "providerUrgency": "NOT_DEFINED",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "NONE",
            "subIntegrityImpact": "NONE",
            "userInteraction": "PASSIVE",
            "valueDensity": "NOT_DEFINED",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "HIGH",
            "vulnIntegrityImpact": "HIGH",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper neutralization of input during web page generation (\u0027cross-site scripting\u0027)",
              "lang": "en",
              "type": "CWE"
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        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-11-01T22:30:47.259Z",
        "orgId": "f0158376-9dc2-43b6-827c-5f631a4d8d09",
        "shortName": "apache"
      },
      "references": [
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          "url": "https://lists.apache.org/thread.html/5wg754b873tlnsc268myrwcoy9lt046v"
        }
      ],
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        "discovery": "INTERNAL"
      },
      "title": "Apache Wicket: XSS via a component id or markup id written unescaped into generated JavaScript and markup",
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    "dateReserved": "2026-09-22T16:47:16.652Z",
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    "state": "PUBLISHED"
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              "content": {
                "id": "CVE-2026-87718",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-11-06T14:39:43.070563Z",
                "version": "2.0.3"
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          "dateUpdated": "2026-11-06T14:39:53.280Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.wicket:wicket-core",
          "packageURL": "pkg:maven/org.apache.wicket/wicket-core",
          "product": "Apache Wicket",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "9.24.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "10.11.0",
              "status": "affected",
              "version": "10.10.0",
              "versionType": "semver"
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      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Hans Sch\u00e4fer"
        }
      ],
      "descriptions": [
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          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "Apache Wicket 10.10.0, 10.11.0 and 9.24.0 do not set the Content-Security-Policy headers on a page whose render request handler is wrapped in more than one IRequestHandlerDelegate. The framework unwraps only a single delegate level when deciding whether a request renders a page, so with a deeper chain, for example an application-provided delegating request mapper combined with CryptoMapper, the page is served without any CSP header even though CSP is enabled, and no error or warning is raised. The nonce-based protection Wicket applies to inline scripts and styles, together with any other CSP directives configured by the application, is thereby lost for those pages, exposing them to content injection the policy was meant to prevent. Applications on stock Wicket that do not wrap request handlers themselves are not affected. Versions before 10.10.0 and 9.24.0 handled nested delegates correctly. Users are recommended to upgrade to version 10.12.0 or 9.25.0, which fix the issue."
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              "value": "Improper neutralization of input during web page generation in Apache Wicket.\u003cbr\u003e\u003cbr\u003eorg.apache.wicket.extensions.markup.html.basic.SmartLinkLabel and org.apache.wicket.extensions.markup.html.basic.SmartLinkMultiLineLabel display a text value and turn any URL they find in it into a hyperlink. Both escape the model value and then hand the escaped text to org.apache.wicket.extensions.markup.html.basic.DefaultLinkParser, which searches it for anything of the form scheme://rest and wraps each match in an anchor whose href is the matched text, copied in as it is. The pattern accepts any scheme, and there is no list of permitted schemes anywhere on the path. A text value naming a scheme that executes script therefore becomes an anchor that executes it, in the application\u0027s origin and in the reader\u0027s own session, when the reader clicks the link. Rendering the page is not enough on its own; the link has to be activated. Escaping does not prevent this and is not the issue: the characters the payload needs are all valid in a URL and are ones that org.apache.wicket.util.string.Strings#escapeMarkup() leaves alone, and the value ends up in a URL rather than in element text, which is a context that escaping model data does not make safe.\u003cbr\u003e\u003cbr\u003eAn application is affected where it renders text it received through either of these two components. That is what they are for: they exist to linkify email addresses and web URLs found in the data an application is displaying, so untrusted input is the purpose of the feature rather than a misuse of it, and no unusual configuration is involved. No other component uses this parser, and an application that uses neither SmartLinkLabel nor SmartLinkMultiLineLabel is not affected.\u003cbr\u003e\u003cbr\u003eOn 9.x and 10.x the Content-Security-Policy Wicket sends by default admits script only from a source carrying a per-response nonce, and a URL whose scheme executes script cannot carry one, so that default policy stops the script from running. This is a property of the default policy and not of these components. An application that has weakened or disabled its Content-Security-Policy, for this or for any unrelated reason, is affected in full. Wicket 8.x has no Content-Security-Policy support at all and is affected as it stands.\u003cbr\u003e\u003cbr\u003eThis issue affects Apache Wicket: from 8.0.0 through 8.19.0, from 9.0.0 through 9.24.0, from 10.0.0 through 10.11.0. Users of Apache Wicket 7.x or older, which are no longer supported, should upgrade to a supported version. Users are recommended to upgrade to version 8.20.0, 9.25.0 or 10.12.0, which fix the issue.\u003cbr\u003e"
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              "value": "Incorrect order of security checks in Apache Wicket.\u003cbr\u003e\u003cbr\u003eorg.apache.wicket.protocol.http.ResourceIsolationRequestCycleListener obtains the page a request targets before it consults its resource isolation policies, because those policies are passed that page. Obtaining the page instantiates it, and instantiating a page runs the configured org.apache.wicket.authorization.IAuthorizationStrategy. An application that refuses an unauthenticated visitor by throwing org.apache.wicket.RestartResponseAtInterceptPageException therefore throws it from inside the isolation listener, before any policy has run. That exception replaces the request handler, so the policies are never consulted and a request that came from another origin is not refused.\u003cbr\u003e\u003cbr\u003eThe exception\u0027s constructor stores the URL of the request it interrupted, so that Component#continueToOriginalDestination() can resume it once the visitor has signed in. The stored URL is the one the policies would have refused. On sign in Wicket redirects to it, and that redirect is same-origin, so the policies allow it and the listener runs in the newly authenticated session. The whole URL is stored, its query string included, so an ordinary org.apache.wicket.markup.html.form.Form is resumed with the field values the original request carried in its query string and Form#onSubmit() runs with values another origin chose. A form POST is not needed for this; a plain top-level navigation carries them.\u003cbr\u003e\u003cbr\u003eAn application is affected where it registers ResourceIsolationRequestCycleListener, which is opt-in and is not registered by default, and where it refuses unauthorized access with RestartResponseAtInterceptPageException followed by continueToOriginalDestination(). No application override is involved on that path: IAuthorizationStrategy#isInstantiationAuthorized() documents throwing that exception, org.apache.wicket.authroles.authentication.AuthenticatedWebApplication throws it and org.apache.wicket.authroles.authentication.panel.UsernamePasswordPanel continues to the original destination, and org.apache.wicket.authorization.strategies.page.SimplePageAuthorizationStrategy in wicket-core installs the same pattern. A visitor who is already signed in is not affected, because no interception occurs. Request-body parameters stored alongside the intercepted URL are not applied to the resumed form: the resumption is a redirect, so the resumed request is a GET, and form components read their values from the query string on a GET.\u003cbr\u003e\u003cbr\u003eAs a workaround, refuse unauthorized access with org.apache.wicket.RestartResponseException instead, which does not store the original destination; visitors are then not returned to the page they asked for after signing in.\u003cbr\u003e\u003cbr\u003eThis issue affects Apache Wicket: from 9.1.0 through 9.24.0, from 10.0.0 through 10.11.0.\u003cbr\u003e\u003cbr\u003eReleases before 9.1.0, which is every 8.x release and 9.0.0, are not affected, because the resource isolation this issue concerns was introduced in 9.1.0. They are not protected either. Their only cross-origin defence is org.apache.wicket.protocol.http.CsrfPreventionRequestCycleListener, which works out where a request came from by reading its Origin header and falling back to its Referer header. Neither header need arrive: a browser does not send Origin on the plain GET a link uses, and the document on the other origin decides through its own referrer policy whether a Referer reaches the application at all. That mechanism therefore never made the guarantee the Fetch Metadata based policy makes, and on those releases a listener invocation from another origin is not reliably refused in the first place. Anyone on a release before 9.1.0 who wants this protection should upgrade to 9.x or 10.x and register ResourceIsolationRequestCycleListener.\u003cbr\u003e\u003cbr\u003eUsers are recommended to upgrade to version 9.25.0 or 10.12.0, which fix the issue.\u003cbr\u003e"
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              "value": "Session fixation in Apache Wicket.\u003cbr\u003e\u003cbr\u003eorg.apache.wicket.authroles.authentication.AuthenticatedWebSession is the authentication base class of Wicket\u0027s role-based security module, and its signIn(String, String) method is the entry point through which an application authenticates a session. Renewing the container session id at that point is the standard defence against an attacker who has fixed a session id in a victim\u0027s browser, and Wicket provides that renewal as org.apache.wicket.Session#changeSessionId(), whose documentation directs callers to invoke it on login for exactly that reason.\u003cbr\u003e\u003cbr\u003eAuthenticatedWebSession#signIn(String, String) calls it inside a guard that succeeds only on the first transition of the session\u0027s signed-in flag. The session id is therefore renewed when a session first signs in, and is not renewed when a session that is already signed in authenticates again. signIn(String, String) returns true either way, so neither the caller nor the application can tell that the renewal did not happen.\u003cbr\u003e\u003cbr\u003eAn application is affected where it authenticates through AuthenticatedWebSession, which AuthenticatedWebApplication requires and which the shipped UsernamePasswordPanel uses, and where a session that is already signed in can authenticate again: a step-up prompt before a sensitive action, an account switch, or simply a sign-in form that stays reachable once the user is signed in. Nothing in the module hides that form from a signed-in session. Reaching the defect also requires an attacker to place a session id of their choosing in the victim\u0027s browser. JSESSIONID is set by the servlet container rather than by Wicket, so that needs a position Wicket does not grant, such as control of a host under the same registrable domain or a container configured to carry the session id in the URL, and the planted session has to be one the attacker has already signed in on, because a session that is not yet signed in does have its id renewed by the victim\u0027s authentication. An authentication attempt that fails signs the session out and closes the window. Applications that renew the session id in their own code after a successful authentication are not affected.\u003cbr\u003e\u003cbr\u003eAs a workaround, renew the session id from the application\u0027s own code on every successful authentication, by calling Session#changeSessionId() at the end of the authenticate(String, String) implementation.\u003cbr\u003e\u003cbr\u003eThis issue affects Apache Wicket: from 8.18.0 through 8.19.0, from 9.23.0 through 9.24.0, from 10.9.0 through 10.11.0.\u003cbr\u003e\u003cbr\u003eUsers are recommended to upgrade to version 8.20.0, 9.25.0 or 10.12.0, which fix the issue.\u003cbr\u003e"
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              "value": "Missing authorization in Apache Wicket.\u003cbr\u003e\u003cbr\u003eorg.apache.wicket.core.request.handler.ListenerRequestHandler invokes an IRequestListener only when org.apache.wicket.Component#canCallListener() allows it, and that method is isEnabledInHierarchy() \u0026amp;\u0026amp; isVisibleInHierarchy(). The visibility half reads a flag that carries the outcome of IAuthorizationStrategy#isActionAuthorized() for the Component.RENDER action, and that flag is written in one place only, Component#configure(), during the render phase. A listener URL built by a subclass of org.apache.wicket.core.request.mapper.AbstractBookmarkableMapper carries the page identifier and the component path in a single parameter, and the page identifier may be empty. When it is, a new page instance is constructed, PageProvider#wasExpired() is false because no identifier was supplied, and PageAndComponentProvider#getComponent() finds the component directly on the new instance, so neither a render pass nor Component#configure() runs before the listener is invoked. The flag therefore still holds its constructor default, the component counts as visible, and the listener of a component the authorization strategy denied RENDER for is executed. The same request also skips Component#onConfigure(), so visibility and enablement an application sets there are not applied either.\u003cbr\u003e\u003cbr\u003eThere are two ways to reach this, and neither requires anything but a request. On a page that is stateful, the caller omits the page identifier from a listener URL that would otherwise carry it. On a page that Wicket considers stateless, nothing has to be altered at all: Wicket itself writes listener URLs without a page identifier for such pages, and a component the strategy denies RENDER for is treated as stateless and therefore does not keep the page stateful, so denying RENDER can itself produce the page-id-less form. The second route has never been refused. The ENABLE decision of IAuthorizationStrategy is consulted on every invocation and still refuses, as does a request that supplies the real identifier of a page instance that has already been rendered; a component the application disabled in Component#onConfigure() is protected by neither, because that callback has not run.\u003cbr\u003e\u003cbr\u003eAn application is affected where it withholds an individual component from the caller, either by denying the RENDER action through IAuthorizationStrategy, including through the MetaDataRoleAuthorizationStrategy and AuthorizeAction facilities of wicket-auth-roles, or by setting the component\u0027s visibility or enabled flag in Component#onConfigure(), the callback Wicket\u0027s own documentation directs applications to use for both. The page carrying such a component has to be constructible from a bookmarkable or mounted URL, which requires a public constructor taking either no arguments or a PageParameters argument. Behaviours pass through the same gate, so an AJAX behaviour attached to such a component is equally exposed. Separately, and whether or not any component is withheld, a listener on a page Wicket considers stateful is invoked on an instance the request itself constructed, so it acts on models built from page parameters the caller supplied rather than on the state the application last rendered. Instantiation authorization is unaffected: IAuthorizationStrategy#isInstantiationAuthorized() is still consulted when the new page instance is created, so a guard placed on the page rather than on the individual component continues to hold.\u003cbr\u003e\u003cbr\u003eThis issue affects Apache Wicket: from 8.0.0 through 8.19.0, from 9.0.0 through 9.24.0, from 10.0.0 through 10.11.0. Users are recommended to upgrade to version 8.20.0, 9.25.0 or 10.12.0, which fix the issue.\u003cbr\u003e"
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