CVE-2011-5131: Mybb

Medium severity, CVSS 6.8. EPSS: 1% chance of exploitation in the next 30 days.

Cross-site request forgery (CSRF) vulnerability in global.php in MyBB before 1.6.5 allows remote attackers to hijack the authentication of a user for requests that change the user's language via the language parameter.

Affected products

• Mybb Mybb: up to and including 1.6.4; version 1.1.0 only; version 1.1.1 only; version 1.1.2 only; version 1.1.3 only; version 1.1.4 only; …

Published 2012-08-30. Last modified 2026-06-16.