Cross-site scripting (XSS) vulnerability in admin/usermanager in IPplan 4.91a allows remote attackers to inject arbitrary web script or HTML via the grp parameter.Referenceshttp://secunia.com/advisories/34985http://www.debian.org/security/2009/dsa-1827http://holisticinfosec.org/content/view/113/45/http://secunia.com/advisories/35714http://osvdb.org/54600http://www.securityfocus.com/bid/35037