High severity8.6NVD Advisory· Published Sep 18, 2026· Updated Sep 18, 2026

CVE-2025-61682

Description

Semantic MediaWiki is a free, open-source extension to MediaWiki that lets users store and query data within the wiki's pages. Versions starting in 3.1.0 and prior to 7.0.0 insert the unsanitized value of a data attribute into the DOM as HTML, allowing for stored XSS through wikitext. Version 7.0.0 patches the issue.

Affected products

Semantic Mediawiki/Semantic Mediawikillm-fuzzy
Range: >=3.1.0,<7.0.0

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-hg8h-557g-q8ppghsaADVISORY
github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.0.0nvd
github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-hg8h-557g-q8ppnvd

News mentions

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cvss	0.559
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000