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2 vulnerabilities found for Mediawiki - TemplateSandbox Extension by Wikimedia Foundation

CVE-2026-100240 (GCVE-0-2026-100240)
Vulnerability from cvelistv5
Published
2026-09-29 16:26
Modified
2026-10-01 18:07
Severity ?
CWE
Summary
Missing Authorization vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Show details on NVD website


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              "attackVector": "NETWORK",
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              "baseScore": 9.1,
              "baseSeverity": "CRITICAL",
              "confidentialityImpact": "HIGH",
              "integrityImpact": "HIGH",
              "privilegesRequired": "NONE",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
              "version": "3.1"
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                "role": "CISA Coordinator",
                "timestamp": "2026-10-01T18:07:46.261263Z",
                "version": "2.0.3"
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          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
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          "product": "Mediawiki - TemplateSandbox Extension",
          "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/TemplateSandbox/+/refs/heads/master",
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          "descriptions": [
            {
              "cweId": "CWE-862",
              "description": "CWE-862 Missing Authorization",
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      "references": [
        {
          "url": "https://phabricator.wikimedia.org/T407974"
        },
        {
          "url": "https://gerrit.wikimedia.org/r/q/Iaf9f6e2280798af5516197257ddc0264b9ad9fb7"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "TemplateSandbox does not check read permissions for the page being previewed",
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    "dateReserved": "2026-09-25T16:02:34.842Z",
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CVE-2026-100376 (GCVE-0-2026-100376)
Vulnerability from cvelistv5
Published
2026-09-25 20:48
Modified
2026-09-26 22:51
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Cross-Site Scripting (XSS). This issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.
Show details on NVD website


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      "source": {
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      "title": "TemplateSandbox can be abused for XSS by asking another user to preview a page with a certain sandbox prefix",
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