CVE-2005-3776: Mybulletinboard

Medium severity, CVSS 4.3. EPSS: 0.9% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in MyBulletinBoard (MyBB) 1.0 PR2 Rev 686 allow remote attackers to inject arbitrary web script or HTML via (1) the subject field when creating a new thread and (2) information passed to the Reputation system.

Affected products

• Mybulletinboard Mybulletinboard: version preview_release_2_rev_686 only

Published 2005-11-23. Last modified 2026-06-16.