Cross-site scripting (XSS) vulnerabilities in (1) calendar.php, (2) login.php, and (3) online.php in Infopop UBB.Threads 6.2.3 and 6.5 allow remote attackers to inject arbitrary web script or HTML via the Cat parameter.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.013
EPSS Ranking 79.0%