TI-2025-38072 Aliases CVE-2025-61638 GHSA-mq9h-r82m-hvhc

Sanitizer::validateAttributes data-XSS

LOW 2CWE-79Published 2026-02-02 · Updated 2026-02-03

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Passive
Attack complexity: Low
Attack requirements: Present
Impact type: Cross-site scripting
Confidentiality · integrity · availability: None · None · None
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki, Wikimedia Foundation Parsoid. This vulnerability is associated with program files includes/parser/Sanitizer.Php, src/Core/Sanitizer.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1; Parsoid: from * before 0.16.6, 0.20.4, 0.21.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00268 19th percentileScored 2026-11-07

Fix Fixed MediaWiki (Wikimedia Foundation): 1.39.14, 1.43.4, 1.44.1Parsoid (Wikimedia Foundation): 0.16.6, 0.20.4, 0.21.1

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Wikimedia Foundation	MediaWiki	before 1.39.14, 1.43.4, 1.44.1	1.39.14, 1.43.4, 1.44.1	Patch available	CNA
Wikimedia Foundation	Parsoid	before 0.16.6, 0.20.4, 0.21.1	0.16.6, 0.20.4, 0.21.1	Patch available	CNA

MediaWiki VendorWikimedia Foundation Affected before 1.39.14, 1.43.4, 1.44.1 Fixed in 1.39.14, 1.43.4, 1.44.1 Patch available CNA
Parsoid VendorWikimedia Foundation Affected before 0.16.6, 0.20.4, 0.21.1 Fixed in 0.16.6, 0.20.4, 0.21.1 Patch available CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:mediawiki:mediawiki::::::::	before 1.39.14; 1.39.15 to before 1.43.4; 1.43.5 to before 1.44.1	Vulnerable	mediawiki
cpe:2.3:a:wikimedia:parsoid::::::node.js::*	before 0.16.6; after 0.16.6, before 0.20.4; after 0.20.4, before 0.21.1	Vulnerable	Wikimedia Foundation

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:* Versions before 1.39.14; 1.39.15 to before 1.43.4; 1.43.5 to before 1.44.1 Vulnerable ·mediawiki
cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:* Versions before 0.16.6; after 0.16.6, before 0.20.4; after 0.20.4, before 0.21.1 Vulnerable ·Wikimedia Foundation

Remediation

Fix · CNA MediaWiki (Wikimedia Foundation) Fixed in 1.39.14, 1.43.4, 1.44.1
Fix · CNA Parsoid (Wikimedia Foundation) Fixed in 0.16.6, 0.20.4, 0.21.1

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

Release · 2026-02-02
Wikimedia Foundation MediaWiki 1.39.14, 1.43.4, 1.44.1
9 records Highest priority Priority LOW 9 LOW
Other records, highest priority first
- TI-2025-38077 EventStreams publishes suppressed recent change entries that are suppressed from their creationPriority LOW 19
- TI-2025-38075 API list=allpages with maxsize is making really slow queriesPriority LOW 9
- TI-2025-38073 Suppressed blocked IP is visible in Special:BlockList, RC, and other placesPriority LOW 9
Show all 9 records →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2025-61638
2026-10-03 Alias added: GHSA-mq9h-r82m-hvhc

References

Advisory 1

https://phabricator.wikimedia.org/T401099

TI-2021-10863 An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. CVSS 3.1MEDIUM 6.1

Sources

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