CVE-2015-8627: Mediawiki

Medium severity, CVSS 5.3. EPSS: 1.4% chance of exploitation in the next 30 days.

MediaWiki before 1.23.12, 1.24.x before 1.24.5, 1.25.x before 1.25.4, and 1.26.x before 1.26.1 do not properly normalize IP addresses containing zero-padded octets, which might allow remote attackers to bypass intended access restrictions by using an IP address that was not supposed to have been allowed.

Affected products

• Mediawiki Mediawiki: up to and including 1.23.11; version 1.24.0 only; version 1.24.1 only; version 1.24.2 only; version 1.24.3 only; version 1.24.4 only; …

Published 2017-03-23. Last modified 2026-06-17.