CVE-2026-126567 | BDVDB-2026-404846 Detail
SemanticMediaWikiSemanticMediaWiki
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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.
Weaknesses#
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References#
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-7j96-w9cc-r7rq
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/fca9922835f4353e67a71cfef4d527d46e7c3ad3
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/MediaWiki/Specials/SpecialAsk.php#L512-L521
- https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/Query/ScoreSet.php#L128-L140
- https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.4.1-stored-xss-via-special-ask-debug-output
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.