CVE-2025-61634 - Vulnerability Details - OpenCVE

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

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction Active

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.

Exploitation none

Automatable no

Technical Impact partial

Vendors	Products
Mediawiki	Mediawiki
Wikimedia	Mediawiki

No data.

No data.

References

Link	Providers
https://phabricator.wikimedia.org/T387478

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 23:45:00 +0000

Type	Values Removed	Values Added
Description		Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/Rest/Handler/PageHTMLHandler.Php. This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.
Title		HTML rest endpoint needs PoolCounter and proper parser cache check
References		https://phabricator.wikimedia.org/T387478
Metrics		cvssV4_0 `{'score': 0, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/RE:M/U:Green'}`

MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-02-02T23:28:53.841Z

Updated: 2026-02-03T21:15:20.700Z

Reserved: 2025-09-29T13:18:37.247Z

Link: CVE-2025-61634

Vulnrichment

Updated: 2026-02-03T21:15:16.226Z

NVD

Status : Awaiting Analysis

Published: 2026-02-03T00:16:08.630

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

Link: CVE-2025-61634

Redhat

No data.

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