CVE-2025-6589 - Vulnerability Details - OpenCVE

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php. This issue affects MediaWiki: >= 1.42.0.

Attack Vector Network

Attack Complexity Low

Privileges Required High

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 Low

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/T391343

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		Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/specials/pagers/BlockListPager.Php. This issue affects MediaWiki: >= 1.42.0.
Title		With MultiBlocks enabled and a user who is suppressed via a MultiBlock, a user without 'hideuser' can see the hidden username in the BlockList
References		https://phabricator.wikimedia.org/T391343
Metrics		cvssV4_0 `{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N/AU:Y'}`

MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published: 2026-02-02T23:03:45.939Z

Updated: 2026-02-03T21:11:20.527Z

Reserved: 2025-06-24T22:27:40.662Z

Link: CVE-2025-6589

Vulnrichment

Updated: 2026-02-03T21:11:17.977Z

NVD

Status : Awaiting Analysis

Published: 2026-02-02T23:16:01.360

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

Link: CVE-2025-6589

Redhat

No data.

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