Cross-site scripting (XSS) vulnerability in forums/ubbthreads.php in UBB.threads 7.5.6 and earlier allows remote attackers to inject arbitrary web script or HTML via the Loginname parameter.
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.