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CVE-2026-100245

🗓️ 29 Sep 2026 16:52:54Reported by wikimedia-foundationType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Stored XSS in Mediawiki - Wikibase Extension via unescaped system message.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-100245 Stored XSS on Wikibase Special:SetSiteLink via unescaped system message
29 Sep 202616:52
–cvelist
euvd
EUVD
EUVD-2026-89092
29 Sep 202616:52
–euvd
nvd
NVD
CVE-2026-100245
29 Sep 202617:17
–nvd
[
  {
    "vendor": "Wikimedia Foundation",
    "product": "Mediawiki - Wikibase Extension",
    "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/Wikibase/+/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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29 Sep 2026 21:35Current
5.8Medium risk
Vulners AI Score5.8
EPSS0.00155
6