Multiple cross-site scripting (XSS) vulnerabilities in graph.php in pfSense 1.2.3 and 2 beta 4 allow remote attackers to inject arbitrary web script or HTML via the (1) ifnum or (2) ifname parameter, a different vulnerability than CVE-2008-1182.
http://secunia.com/advisories/42138
http://seclists.org/fulldisclosure/2010/Nov/43