Open redirect vulnerability in forums/login.php in FluxBB before 1.4.13 and 1.5.x before 1.5.7 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the redirect_url parameter.Referenceshttp://fluxbb.org/forums/viewtopic.php?id=8001https://fluxbb.org/development/core/tickets/961/