Multiple cross-site scripting (XSS) vulnerabilities submit.asp in ASPScriptz Guest Book 2.0 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) GBOOK_UNAME (2) GBOOK_EMAIL (3) GBOOK_CITY (4) GBOOK_COU (5) GBOOK_WWW and (6) GBOOK_MESS form fields.