CVE-2012-5908: Mybb

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

Cross-site scripting (XSS) vulnerability in admin/modules/user/users.php in MyBB (aka MyBulletinBoard) 1.6.6 allows remote attackers to inject arbitrary web script or HTML via the conditions[usergroup][] parameter in a search action to admin/index.php.

Affected products

• Mybb Mybb: version 1.6.6 only

Published 2012-11-17. Last modified 2026-06-16.