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

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...

CVE-2026-34092

CVE-2026-34092 affects Wikimedia Foundation MediaWiki. The information exposure arises from the includes/Skin/Skin.Php component, where UI elements in the tools sidebar reveal autoblocked IP presence. Affected versions are MediaWiki before 1.43.7, 1.44.4, and 1.45.2. Remediation is to upgrade to ...

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

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...

MediaWiki < 1.35.10, 1.36.x < 1.38.6, 1.39.x < 1.39.3 Multiple Vulnerabilities - Windows

MediaWiki is prone to multiple vulnerabilities. SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:mediawiki:mediawiki"; ifdescripti...

mediawiki -- multiple vulnerabilities

Mediawikwi reports: T285159, CVE-2023-PENDING SECURITY: X-Forwarded-For header allows brute-forcing autoblocked IP addresses. T326946, CVE-2020-36649 SECURITY: Bundled PapaParse copy in VisualEditor has known ReDos. T330086, CVE-2023-PENDING SECURITY: OATHAuth allows replay attacks when MediaWiki...

Fedora 23 : mediawiki-1.25.2-2.fc23 (2015-13920)

T94116 SECURITY: Compare API watchlist token in constant time T97391 SECURITY: Escape error message strings in thumb.php T106893 SECURITY: Don't leak autoblocked IP addresses on Special:DeletedContributions T102562 Fix InstantCommons parameters to handle the new HTTPS-only policy of Wikimedia...