CVE-2016-6332: Mediawiki

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

MediaWiki before 1.23.15, 1.26.x before 1.26.4, and 1.27.x before 1.27.1, when $wgBlockDisablesLogin is true, might allow remote attackers to obtain sensitive information by leveraging failure to terminate sessions when a user account is blocked.

Affected products

• Mediawiki Mediawiki: up to and including 1.23.14; version 1.26.0 only; version 1.26.1 only; version 1.26.2 only; version 1.26.3 only; version 1.26.4 only; …

Published 2017-04-20. Last modified 2026-06-17.