CVE-2026-116883
CVE-2026-116883 · Semantic MediaWiki 3.1.0 before 7.3.1 Stored XSS via Schema Descriptions
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 4.8 · Medium · Fix available
- Published
- Updated
Affected products and versions
semanticmediawiki
- Versions
- ≥ 3.1.0, < 7.3.1: Affected (semver)
- 7.3.1: Not affected (semver)
Update to 7.3.1