CVE-2006-4449: Mybulletinboard

Medium severity, CVSS 5.1. EPSS: 2.3% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in attachment.php in MyBulletinBoard (MyBB) 1.1.7 and possibly other versions allows remote attackers to inject arbitrary web script or HTML via a GIF image that contains URL-encoded Javascript, which is rendered by Internet Explorer.

Affected products

• Mybulletinboard Mybulletinboard: version 1.1.7 only

Published 2006-08-30. Last modified 2026-06-16.