CVE-2009-4448: Mybb

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

inc/functions_time.php in MyBB (aka MyBulletinBoard) 1.4.10, and possibly earlier versions, allows remote attackers to cause a denial of service (CPU consumption) via a crafted request with a large year value, which triggers a long loop, as reachable through member.php and possibly other vectors.

Affected products

• Mybb Mybb: version 1.4.10 only

Published 2009-12-29. Last modified 2026-06-16.