CVE-2012-3844: vBulletin

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

Cross-site scripting (XSS) vulnerability in vBulletin 4.1.12 allows remote attackers to inject arbitrary web script or HTML via a long string in the subject parameter when creating a post.

Affected products

• vBulletin vBulletin: version 4.1.12 only

Published 2012-07-03. Last modified 2026-06-16.