Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/CommentFormatter/CommentParser.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
History

Wed, 04 Feb 2026 12:15:00 +0000

Type Values Removed Values Added
First Time appeared Mediawiki
Mediawiki mediawiki
Wikimedia
Wikimedia mediawiki
Vendors & Products Mediawiki
Mediawiki mediawiki
Wikimedia
Wikimedia mediawiki

Tue, 03 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 03 Feb 2026 13:15:00 +0000

Type Values Removed Values Added
Description Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/CommentFormatter/CommentParser.Php. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
Title Stored XSS through edit summaries in MW Core
Weaknesses CWE-79
References
Metrics threat_severity

None

cvssV3_1

{'score': 4.6, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}

cvssV4_0

{'score': 0, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:U'}

threat_severity

Moderate


cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-02-03T01:21:09.480Z

Updated: 2026-02-03T15:32:07.211Z

Reserved: 2025-12-08T17:51:48.871Z

Link: CVE-2025-67475

cve-icon Vulnrichment

Updated: 2026-02-03T15:29:07.928Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-03T02:16:08.457

Modified: 2026-02-03T16:44:03.343

Link: CVE-2025-67475

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-02-03T01:21:09Z

Links: CVE-2025-67475 - Bugzilla