CVE-2015-3419: vBulletin

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

vBulletin 5.x through 5.1.6 allows remote authenticated users to bypass authorization checks and inject private messages into conversations via vectors related to an input validation failure.

Affected products

• vBulletin vBulletin: version 5.0.0 only; version 5.0.1 only; version 5.0.2 only; version 5.0.3 only; version 5.0.4 only; version 5.0.5 only; …

Published 2017-09-19. Last modified 2026-06-17.