CVE-2025-61646 - Vulnerability Details - OpenCVE

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/RecentChanges/EnhancedChangesList.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

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.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mediawiki	Mediawiki
Wikimedia	Mediawiki

No data.

No data.

References

Link	Providers
https://phabricator.wikimedia.org/T398706

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 21:15:00 +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		Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/RecentChanges/EnhancedChangesList.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
Title		Watchlist group mode reveals authors of edits with hidden authorship
References		https://phabricator.wikimedia.org/T398706
Metrics		cvssV4_0 `{'score': 1.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U'}`

MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-02-03T00:11:28.576Z

Updated: 2026-02-03T21:04:46.313Z

Reserved: 2025-09-29T13:18:40.092Z

Link: CVE-2025-61646

Vulnrichment

Updated: 2026-02-03T21:04:43.834Z

NVD

Status : Awaiting Analysis

Published: 2026-02-03T01:15:58.560

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

Link: CVE-2025-61646

Redhat

No data.

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