CVE-2019-17130: vBulletin

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

vBulletin through 5.5.4 mishandles external URLs within the /core/vb/vurl.php file and the /core/vb/vurl directories.

Affected products

• vBulletin vBulletin: up to and including 5.5.4

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