CVE-2018-6200

EUVD-2018-17961
vBulletin 3.x.x and 4.2.x through 4.2.5 has an open redirect via the redirector.php url parameter.
Open Redirect
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N