IssabelPbx Cross-Site Scripting Vulnerability

IssabelPbx is an open source Gui (Graphical User Interface) from the Issabel Foundation. It is used to control and manage Asterisk (Pbx). Issabel issabelPBX suffers from a cross-site scripting vulnerability that originates in the file page.backup_restore.php, where the exit function will terminate the script and print a message to the user. The message will contain an unpurged $_REQUEST. No details of the vulnerability are available at this time.