CVE-2026-116888
Medium
Description
SemanticMediaWiki from 3.2.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with the smw-schemaedit right to inject markup through an unescaped property group schema canonical_name. Attackers can save a schema whose canonical_name holds script markup, which GroupFormatter renders unescaped in Special:Browse headings, executing JavaScript in viewers' sessions including administrators.
SeverityMedium
CVSS4.8
Exploit probability—
ProductSemantic-mediawiki Semantic Mediawiki
PublishedOct 27, 2026
First seenOct 27, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- semantic-mediawiki semantic_mediawiki7.3.1 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| semantic-mediawiki semantic_mediawiki | 3.2.0 ≤ v < 7.3.1 | 7.3.1 |
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