CVE-2026-116887
Medium
Description
Semantic MediaWiki from 3.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability that allows users with page-edit rights to inject HTML through Keyword-typed property values rendered unescaped on Special:Browse. Attackers can annotate a Keyword property with an event-handler payload that executes JavaScript in viewers' sessions, including administrators, to read tokens and perform actions.
SeverityMedium
CVSS5.4
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 | 3.0.0 ≤ v < 7.3.1 | 7.3.1 |
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