CVE-2026-126560

Description

Semantic MediaWiki 3.0.0 before 7.4.1 contains a stored cross-site scripting vulnerability in the DataTables integration that initialises author-written smw-datatable tables unchanged. Users with page-edit rights can add HTML entity-encoded markup in data-search or data-filter cell attributes, executing script in viewers' browsers including administrators.

References

• https://github.com/SemanticMediaWiki/SemanticMediaWiki/blob/7.4.0/res/smw/printer/ext.smw.tableprinter.js#L349-L357
• https://github.com/SemanticMediaWiki/SemanticMediaWiki/commit/db7f59461a7815416a719b71ce48fb76481ecaf2
• https://github.com/SemanticMediaWiki/SemanticMediaWiki/releases/tag/7.4.1
• https://github.com/SemanticMediaWiki/SemanticMediaWiki/security/advisories/GHSA-gg2q-rc52-22pp
• https://www.vulncheck.com/advisories/semantic-mediawiki-3.0.0-before-7.4.1-stored-xss-via-data-search-attributes