Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

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.

The EPSS score is 0.00052.

Exploitation none

Automatable no

Technical Impact partial

Affected Vendors & Products

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-4355-1 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/T280413 cve-icon cve-icon
History

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 00:00:00 +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/logging/ManualLogEntry.Php, includes/recentchanges/RecentChangeFactory.Php, includes/recentchanges/RecentChangeStore.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
Title Suppressed blocked IP is visible in Special:BlockList, RC, and other places
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 1.7, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/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: 2026-02-03T21:10:13.392Z

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

Link: CVE-2025-61639

cve-icon Vulnrichment

Updated: 2026-02-03T21:10:10.840Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-03T00:16:09.753

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

Link: CVE-2025-61639

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses