TI-2020-05026 Aliases CVE-2020-6163 GHSA-grfp-qrv2-2w59

The WikibaseMediaInfo extension 1.35 for MediaWiki allows XSS because of improper…

LOW 28CWE-79Published 2020-01-08 · Updated 2024-08-04

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

The WikibaseMediaInfo extension 1.35 for MediaWiki allows XSS because of improper template syntax within the PropertySuggestionsWidget template (in the templates/search/PropertySuggestionsWidget.mustache+dom file).

Why it matters now

EPSS 0.00699 53rd percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:mediawiki:mediawiki:1.35:::::::*	1.35	Vulnerable	mediawiki

cpe:2.3:a:mediawiki:mediawiki:1.35:*:*:*:*:*:*:* Versions 1.35 Vulnerable ·mediawiki

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-6163
2026-10-03 Alias added: GHSA-grfp-qrv2-2w59

References

Patch 1

https://phabricator.wikimedia.org/T240773

Advisory 1

https://gerrit.wikimedia.org/r/558203

TI-2023-18933 An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. CVSS 3.1CRITICAL 9.8
TI-2023-13576 An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6… CVSS 3.1CRITICAL 9.8
TI-2023-03312 Stored XSS leads to privilege escalation in MediaWiki v1.40.0 CVSS 3.1CRITICAL 9.0
TI-2026-42109 Cross-site request forgery in Wikimedia Foundation Mediawiki - RedirectManager Extension CVSS 4.0MEDIUM 6.9
TI-2024-22822 An issue was discovered in includes/CommentFormatter/CommentParser.php in MediaWiki… CVSS 3.1HIGH 7.4
TI-2023-18935 An issue was discovered in the ProofreadPage (aka Proofread Page) extension for MediaWiki… CVSS 3.1MEDIUM 5.3

See all 416 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences