baigo CMS Cross-Site Scripting Vulnerability

baigo CMS is a PHP-based open source web content management system. A cross-site scripting vulnerability exists in baigo CMS 2.1.1. A remote attacker can use this vulnerability to inject arbitrary Web script or HTML via the optbaseBGSITENAME parameter of the bgconsole/index.php?m=opt&c=request UR...