CVE-2015-2940: Mediawiki Checkuser

Medium severity, CVSS 6.8. EPSS: 1.1% chance of exploitation in the next 30 days.

Cross-site request forgery (CSRF) vulnerability in the CheckUser extension for MediaWiki allows remote attackers to hijack the authentication of certain users for requests that retrieve sensitive user information via unspecified vectors.

Affected products

• Mediawiki Checkuser: affected versions not specified

Published 2015-04-13. Last modified 2026-06-17.