CVE-2006-3775: Mybulletinboard

High severity, CVSS 7.5. EPSS: 2.5% chance of exploitation in the next 30 days.

SQL injection vulnerability in the init function in class_session.php in MyBB (aka MyBulletinBoard) 1.1.5 allows remote attackers to execute arbitrary SQL commands via the CLIENT-IP HTTP header ($_SERVER['HTTP_CLIENT_IP'] variable), as utilized by index.php.

Affected products

• Mybulletinboard Mybulletinboard: version 1.1.5 only

Published 2006-07-24. Last modified 2026-06-16.