Medium severity6.1NVD Advisory· Published Oct 27, 2026

CVE-2026-116884

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.

Affected products

Semantic Mediawiki/Semantic Mediawikillm-fuzzy
Range: <7.3.1

Patches

Vulnerability mechanics

References

github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-4wj6-wmjp-pmhhnvd
www.vulncheck.com/advisories/semanticmediawiki-5.0.0-before-7.3.1-stored-xss-via-tooltip-module-data-attributesnvd

News mentions

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cvss	0.397
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000