CVE-2026-34092 LOW

CVE-2026-34092: Block UI elements in 'tools'-sidebar shows presence of an autoblocked IP

Vendor Wikimedia Foundation
Product MediaWiki
Weakness CWE-200 · Info exposure
Published May 11, 2026
Last update May 11, 2026

CVSS base score

2.1/10
Attack vector Network
Attack complexity High
Privileges required Low
User interaction
Confidentiality
Integrity

CVSS 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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 11, 2026 CVE published
May 11, 2026 Record updated