Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.

This vulnerability is associated with program files includes/Skin/Skin.Php.



This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.

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Advisories
Source ID Title
Debian DSA Debian DSA DSA-6208-1 mediawiki security update
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

References
History

Mon, 11 May 2026 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Wikimedia
Wikimedia mediawiki
Vendors & Products Wikimedia
Wikimedia mediawiki

Mon, 11 May 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 11 May 2026 15:30:00 +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/Skin/Skin.Php. This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Title Block UI elements in 'tools'-sidebar shows presence of an autoblocked IP
Weaknesses CWE-200
References
Metrics cvssV4_0

{'score': 2.1, 'vector': 'CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-05-11T15:50:58.247Z

Reserved: 2026-03-25T17:15:46.522Z

Link: CVE-2026-34092

cve-icon Vulnrichment

Updated: 2026-05-11T15:50:53.914Z

cve-icon NVD

Status : Received

Published: 2026-05-11T16:17:30.663

Modified: 2026-05-11T16:17:30.663

Link: CVE-2026-34092

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-11T17:00:15Z

Weaknesses