Vulnerability Details CVE-2026-116882
Semantic MediaWiki from 4.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows authenticated profile or schema editors to inject HTML through FacetedSearch exploration-link labels. Attackers can store markup in the label, which ExploreListBuilder::buildHTML() passes unescaped to Html::rawElement(), altering the Special:FacetedSearch page and potentially running scripts in viewers' browsers.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 4.0%
CVSS Severity
CVSS v3 Score 4.8