source: https://www.securityfocus.com/bid/7213/info

MyGuestBk has been reported vulnerable to unauthorized Admin Panel Access.

It has been reported that an attacker may access arbitrary MyGuestBK administrative functions through the MyGuestBK administration panel without prior authorization.

http://www.example.com/myguestBk/admin/index.asp
http://www.example.com/myguestBk/admin/delEnt.asp?id=NEWSNUMBER