Multiple cross-site scripting (XSS) vulnerabilities in index.php in AlGuest 1.1c-patched allow remote attackers to inject arbitrary web script or HTML via the (1) nome (nickname), (2) messaggio (message), and (3) link (homepage) parameters.
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.