CVE-2026-126559

EUVD-2026-123074
Semantic MediaWiki 4.2.0 before 7.4.1 contains a stored cross-site scripting vulnerability in OptionsBuilder::profiles() that allows users with the smw-schemaedit right to inject markup. Attackers can save FACETEDSEARCH_PROFILE_SCHEMA profile keys or labels that break out of option elements, executing scripts for every Special:FacetedSearch visitor including administrators.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.8 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.15%
Common Weakness Enumeration
References
https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/src/MediaWiki/Specials/FacetedSearch/OptionsBuilder.php#L27-L52
https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/92999fc0de74324aaa35bfd3676cd4d145d2ac06
https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1
https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-cw86-j46r-2x7x
https://www.vulncheck.com/advisories/semantic-mediawiki-4.2.0-before-7.4.1-stored-xss-via-special-facetedsearch