Information Exposure

Overview mediawiki/core is a Free software wiki application developed by the Wikimedia Foundation and others. Note: This package is not maintained on Packagist anymore, but newer releases exist. Affected versions of this package are vulnerable to Information Exposure via the includes/Skin/Skin.Ph...

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...

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...