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

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00016.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Wikimedia Foundation MediaWiki unaffected
Version Status Constraints
* affected
< 1.39.14, 1.43.4, 1.44.1

Configuration 1 [-]

OR cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

No data.

Vendor Product Confidence Versions
Mediawiki Mediawiki — —
Wikimedia Mediawiki — —

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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.

References
Link Providers
https://phabricator.wikimedia.org/T387478 cve-icon cve-icon
History

Tue, 17 Mar 2026 15:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-22
CPEs cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N'}

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
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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

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

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

Link: CVE-2025-61634

cve-icon Vulnrichment

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

cve-icon NVD

Status : Analyzed

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

Modified: 2026-03-17T15:22:47.270

Link: CVE-2025-61634

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-02-04T12:17:42Z

Weaknesses