CVE-2008-3773: vBulletin

Medium severity, CVSS 4.3. EPSS: 3.8% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in vBulletin 3.7.2 PL1 and 3.6.10 PL3, when "Show New Private Message Notification Pop-Up" is enabled, allows remote authenticated users to inject arbitrary web script or HTML via a private message subject (aka newpm[title]).

Affected products

• vBulletin vBulletin: version 3.6.10 only; version 3.7.2 only

Published 2008-08-22. Last modified 2026-06-16.