Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.

This issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4249-1 mediawiki security update
Debian DSA Debian DSA DSA-5957-1 mediawiki security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
History

Wed, 04 Feb 2026 12:30:00 +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 22:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 02 Feb 2026 23:15:00 +0000

Type Values Removed Values Added
Description Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php. This issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.
Title Complete content leak of private wikis due to PasswordReset Wikitext injection in error message
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:A/VC:L/VI:N/VA:N/SC:H/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-02-03T21:11:40.284Z

Reserved: 2025-06-24T22:27:41.836Z

Link: CVE-2025-6590

cve-icon Vulnrichment

Updated: 2026-02-03T21:11:37.838Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-02T23:16:01.503

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

Link: CVE-2025-6590

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-04T12:17:52Z

Weaknesses