CVE-2010-2787: Mediawiki

Medium severity, CVSS 4.3. EPSS: 1.6% chance of exploitation in the next 30 days.

api.php in MediaWiki before 1.15.5 does not prevent use of public caching headers for private data, which allows remote attackers to bypass intended access restrictions and obtain sensitive information by retrieving documents from an HTTP proxy cache that has been used by a victim.

Affected products

• Mediawiki Mediawiki: up to and including 1.15.4; version 1.1.0 only; version 1.2.0 only; version 1.2.1 only; version 1.2.2 only; version 1.2.3 only; …

Published 2011-04-27. Last modified 2026-06-16.