Cross-site scripting (XSS) vulnerability in Chi Kien Uong Guestbook 1.51 allows remote attackers to inject arbitrary web script or HTML via (1) HTML in a posted message or (2) Javascript in an onmouseover attribute in an e-mail address or URL.Referenceshttp://securitytracker.com/id?1008006https://exchange.xforce.ibmcloud.com/vulnerabilities/13522https://exchange.xforce.ibmcloud.com/vulnerabilities/13523http://www.osvdb.org/2718http://www.securityfocus.com/bid/8896http://www.securityfocus.com/archive/1/342475http://secunia.com/advisories/10080http://www.securityfocus.com/bid/8895