CVE-2026-119054 (GCVE-0-2026-119054)
Vulnerability from cvelistv5
Published
2026-10-29 13:08
Modified
2026-10-29 13:08
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Summary
Multiple Pages Generator by Themeisle before 4.2.5 contains a stored cross-site scripting vulnerability that allows Contributor-level users to inject script via the [mpg] and [mpg_match] shortcode base-url attribute. Attackers can store entity-encoded payloads that pass kses but are decoded by html_entity_decode() and rendered unescaped through {{mpg_url}}, executing script in administrators' browsers.
Impacted products
Show details on NVD website


{
  "containers": {
    "cna": {
      "affected": [
        {
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected",
          "product": "Multiple Pages Generator by Themeisle",
          "repo": "https://plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/",
          "vendor": "Themeisle",
          "versions": [
            {
              "lessThan": "4.2.5",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:a:themeisle:multiple_page_generator:*:*:*:*:*:wordpress:*:*",
                  "versionEndExcluding": "4.2.5",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "pnn219"
        },
        {
          "lang": "en",
          "type": "finder",
          "value": "haidz04kma"
        }
      ],
      "datePublic": "2026-10-13T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Multiple Pages Generator by Themeisle before 4.2.5 contains a stored cross-site scripting vulnerability that allows Contributor-level users to inject script via the [mpg] and [mpg_match] shortcode base-url attribute. Attackers can store entity-encoded payloads that pass kses but are decoded by html_entity_decode() and rendered unescaped through {{mpg_url}}, executing script in administrators\u0027 browsers."
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 5.1,
            "baseSeverity": "MEDIUM",
            "privilegesRequired": "LOW",
            "subAvailabilityImpact": "NONE",
            "subConfidentialityImpact": "LOW",
            "subIntegrityImpact": "LOW",
            "userInteraction": "PASSIVE",
            "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
            "version": "4.0",
            "vulnAvailabilityImpact": "NONE",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW"
          },
          "format": "CVSS"
        },
        {
          "cvssV3_1": {
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            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-29T13:08:54.249Z",
        "orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "shortName": "VulnCheck"
      },
      "references": [
        {
          "name": "WordPress Plugin Changeset 3742674",
          "tags": [
            "patch"
          ],
          "url": "https://plugins.trac.wordpress.org/changeset/3742674/multiple-pages-generator-by-porthas"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/controllers/display/loop/Core.php"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/controllers/display/Base_Display.php"
        },
        {
          "tags": [
            "technical-description"
          ],
          "url": "https://plugins.svn.wordpress.org/multiple-pages-generator-by-porthas/tags/4.2.4/models/CoreModel.php"
        },
        {
          "name": "WordPress Plugin Page",
          "tags": [
            "product"
          ],
          "url": "https://wordpress.org/plugins/multiple-pages-generator-by-porthas/"
        },
        {
          "name": "VulnCheck Advisory: Multiple Pages Generator by Themeisle before 4.2.5 Stored XSS via Shortcode base-url",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/multiple-pages-generator-by-themeisle-before-4.2.5-stored-xss-via-shortcode-base-url"
        }
      ],
      "title": "Multiple Pages Generator by Themeisle before 4.2.5 Stored XSS via Shortcode base-url",
      "x_generator": {
        "engine": "vulncheck-endgame"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
    "assignerShortName": "VulnCheck",
    "cveId": "CVE-2026-119054",
    "datePublished": "2026-10-29T13:08:54.249Z",
    "dateReserved": "2026-10-29T11:51:52.445Z",
    "dateUpdated": "2026-10-29T13:08:54.249Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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