Multiple cross-site scripting (XSS) vulnerabilities in X7 Chat 2.0.4, 2.0.5, and possibly other versions allow remote attackers to inject arbitrary web script or HTML via the (1) room parameter to sources/frame.php, the (2) theme_c parameter to help/index.php, or the (3) INSTALL_X7CHATVERSION parameter to upgradev1.php.
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.