CVE-2019-17132: vBulletin

Critical severity, CVSS 9.8. EPSS: 11.8% chance of exploitation in the next 30 days.

vBulletin through 5.5.4 mishandles custom avatars.

Affected products

• vBulletin vBulletin: up to and including 5.5.4

Published 2019-10-04. Last modified 2026-06-17.