Cross-site scripting (XSS) vulnerability in dv_gbook.php in DVguestbook 1.0 allows remote attackers to inject arbitrary web script or HTML via the f parameter.Referenceshttp://biyosecurity.be/bugs/dvguestbook.txthttp://secunia.com/advisories/19098http://www.securityfocus.com/bid/16968http://www.vupen.com/english/advisories/2006/0842http://www.securityfocus.com/archive/1/427214/100/0/threadedhttps://exchange.xforce.ibmcloud.com/vulnerabilities/25049