CVE-2026-116884
Medium
Description
SemanticMediaWiki from 5.0.0 before 7.3.1 contains a stored cross-site scripting vulnerability in ext.smw.tooltip.tippy.js that renders data-* attributes via innerHTML with allowHTML enabled. Editors can plant a .smw-highlighter span with a malicious data-content, data-title, data-top, data-bottom, or data-theme attribute to execute JavaScript when viewers, including administrators, hover it.
SeverityMedium
CVSS6.1
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 | 5.0.0 ≤ v < 7.3.1 | 7.3.1 |
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