Cross-site scripting (XSS) vulnerability in vBulletin 3.6.10 and 3.7.1 allows remote attackers to inject arbitrary web script or HTML via unknown vectors and an "obscure method." NOTE: the vector is probably in the redirect parameter to the Admin Control Panel (admincp/index.php).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.021
EPSS Ranking 83.2%