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) vulnerability in showflat.php in Infopop UBB.Threads before 6.5 allows remote attackers to inject arbitrary web script or HTML via the Cat parameter.