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/htmlform/CodexHTMLForm.Php, includes/htmlform/fields/HTMLButtonField.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
Advisories
Source ID Title
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.

History

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

Type Values Removed Values Added
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'}

threat_severity

Moderate


Mon, 02 Feb 2026 23:45:00 +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/htmlform/CodexHTMLForm.Php, includes/htmlform/fields/HTMLButtonField.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
Title Stored XSS through system messages provided to CodexHtmlForms
Weaknesses CWE-79
References
Metrics cvssV4_0

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


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-02-03T21:16:42.867Z

Reserved: 2025-09-29T13:18:37.248Z

Link: CVE-2025-61642

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-03T00:16:10.140

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

Link: CVE-2025-61642

cve-icon Redhat

Severity : Moderate

Publid Date: 2026-02-02T23:36:42Z

Links: CVE-2025-61642 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses