CVE-2007-1963: Mybb

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

SQL injection vulnerability in the create_session function in class_session.php in MyBB (aka MyBulletinBoard) 1.2.3 and earlier allows remote attackers to execute arbitrary SQL commands via the Client-IP HTTP header, as utilized by index.php, a related issue to CVE-2006-3775.

Affected products

• Mybb Mybb: up to and including 1.2.3
• Mybulletinboard Mybulletinboard: up to and including 1.2.3

Published 2007-04-11. Last modified 2026-06-16.