Medium severity5.4NVD Advisory· Published Nov 11, 2026
CVE-2026-126567
CVE-2026-126567
Description
Semantic MediaWiki 3.0.0 before 7.4.1 contains a stored cross-site scripting vulnerability in Special:Ask with the ElasticStore backend, allowing users with edit rights to inject script through unescaped native_result and score_set output. Attackers can store markup in a Text property or subobject name, then lure victims including administrators to a crafted Special:Ask link to execute script in their session.
Affected products
1- Range: <7.4.1
Patches
Vulnerability mechanics
References
6- github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/MediaWiki/Specials/SpecialAsk.phpnvd
- github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/Query/ScoreSet.phpnvd
- github.com/SemanticMediaWiki/SemanticMediaWiki/commit/fca9922835f4353e67a71cfef4d527d46e7c3ad3nvd
- github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1nvd
- github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-7j96-w9cc-r7rqnvd
- www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.4.1-stored-xss-via-special-ask-debug-outputnvd
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