It's possible edit the users (including the admin account), bypassing the authentication through the address: http://localhost/cuteflow/pages/edituser.php?userid=1&language=pt&sortby=strLastName&sortdir=ASC&start=1 The vulnerability is caused due to the application not properly restricting access to the pages/edituser.php script. This can be exploited to modify a user's username and password without having proper credentials. Hever Costa Rocha