CVE-2006-3953: Mybulletinboard

Medium severity, CVSS 4.3. EPSS: 1.2% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in usercp.php in MyBB (aka MyBulletinBoard) 1.x allows remote attackers to inject arbitrary web script or HTML via the gallery parameter.

Affected products

• Mybulletinboard Mybulletinboard: version 1.0.1 only; version 1.0.2 only; version 1.0.3 only; version 1.0.4 only; version 1.0_final only; version 1.0_pr2 only; …

Published 2006-08-01. Last modified 2026-06-16.