Public vulnerability disclosure

CVE-2026-126560

Semantic MediaWiki 3.0.0 before 7.4.1 Stored XSS via data-search Attributes

publishedCWE-79

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.

Technical severity5.1 mediumCVSS 4.0 · CNA: VulnCheck
Published2026-11-11Source updated 2026-11-12
Collected2026-11-123 attributed sources

Fixes and workarounds

Fix

The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.

Source: CNA: VulnCheck

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
SemanticMediaWiki
SemanticMediaWiki
mediawiki/semantic-media-wiki
composer
≥ 3.0.0; < 7.4.1 (affected, semver)
7.4.1 (unaffected, semver)
Other versions: unaffected
CNA: VulnCheck

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 5.1
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:NCNA: VulnCheck
3.1 / 5.4
medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NCNA: VulnCheck
4.0 / 5.1
medium
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XNVD: [email protected]
3.1 / 5.4
medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NNVD: [email protected]

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

For agents and automation

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