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CVE-2026-100376

🗓️ 25 Sep 2026 20:48:53Reported by wikimedia-foundationType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

XSS in Mediawiki - TemplateSandbox Extension before 1.46.1, 1.45.5, and 1.43.10.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-100376 TemplateSandbox can be abused for XSS by asking another user to preview a page with a certain sandbox prefix
25 Sep 202620:48
–cvelist
euvd
EUVD
EUVD-2026-87359
25 Sep 202620:48
–euvd
nvd
NVD
CVE-2026-100376
25 Sep 202621:17
–nvd
[
  {
    "vendor": "Wikimedia Foundation",
    "product": "Mediawiki - TemplateSandbox Extension",
    "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/TemplateSandbox/+/refs/heads/master",
    "versions": [
      {
        "status": "affected",
        "version": "*",
        "lessThan": "1.46.1, 1.45.5, 1.43.10",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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25 Sep 2026 21:17Current
5.8Medium risk
Vulners AI Score5.8
CVSS 44.8
1