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Mediawiki - Wikibase Extension
Wikimedia Foundation Mediawiki - Wikibase Extension vulnerabilities
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the wikimedia foundation
mediawiki - wikibase extension
Stored XSS on Wikibase Special:SetSiteLink via unescaped system message
CVE-2026-100245
6.1
Medium
September 29, 2026
the wikimedia foundation
mediawiki - wikibase extension
Reflected XSS in Wikibase Special:SetLabel language validation
CVE-2026-100380
Public exploit
5.3
Medium
September 25, 2026
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