CVE-2010-4629: Mybb

Medium severity, CVSS 5.0. EPSS: 1.7% chance of exploitation in the next 30 days.

MyBB (aka MyBulletinBoard) before 1.4.12 does not properly restrict uid values for group join requests, which allows remote attackers to cause a denial of service (resource consumption) by using guest access to submit join request forms for moderated groups, related to usercp.php and managegroup.php.

Affected products

• Mybb Mybb: up to and including 1.4.11; version 1.00 only; version 1.01 only; version 1.1.0 only; version 1.1.1 only; version 1.1.2 only; …

Published 2010-12-30. Last modified 2026-06-16.