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 resources/src/mediawiki.JqueryMsg/mediawiki.JqueryMsg.Js.

This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00018.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

No data.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4428-1 mediawiki security update
Debian DSA Debian DSA DSA-6085-1 mediawiki security update
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://phabricator.wikimedia.org/T251032 cve-icon cve-icon
History

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

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', '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 resources/src/mediawiki.JqueryMsg/mediawiki.JqueryMsg.Js. This issue affects MediaWiki: from * before 1.39.16, 1.43.6, 1.44.3, 1.45.1.
Title mw.message(…).parse() doesn't output safe HTML, but it's being used as if it does
Weaknesses CWE-79
References
Metrics cvssV4_0

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

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-02-03T15:31:43.813Z

Reserved: 2025-12-08T17:51:50.990Z

Link: CVE-2025-67481

cve-icon Vulnrichment

Updated: 2026-02-03T15:26:13.835Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-03T02:16:09.207

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

Link: CVE-2025-67481

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses