CVE-2005-4603: Mybulletinboard

Medium severity, CVSS 4.3. EPSS: 1.3% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in printthread.php in MyBB 1.0.1 and earlier allows remote attackers to inject arbitrary web script or HTML via a thread message, which is not properly sanitized in the print view of the thread.

Affected products

• Mybulletinboard Mybulletinboard: version 1.0.1 only; version 1.0_pr2 only; version 1.00_rc1 only; version 1.00_rc2 only; version 1.00_rc3 only; version 1.0_rc4 only; …

Published 2005-12-31. Last modified 2026-06-16.