Vulnerability Details CVE-2026-116883
Semantic MediaWiki from 3.1.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows authenticated schema editors to inject HTML through schema descriptions. Attackers with the smw-schemaedit permission can save HTML that is passed unescaped to Html::rawElement() in HtmlBuilder, altering pages and targeting users who view the schema.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 4.0%
CVSS Severity
CVSS v3 Score 4.8