Multiple cross-site scripting (XSS) vulnerabilities in ASP Forum Script allow remote attackers to inject arbitrary web script or HTML via the (1) forum_id parameter to (a) new_message.asp and (b) messages.asp, and the (2) query string to default.asp.
Improper Neutralization of Input During Web Page Generation The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.