Multiple cross-site scripting (XSS) vulnerabilities in Natychmiast CMS allow remote attackers to inject arbitrary web script or HTML via the id_str parameter to (1) index.php and (2) a_index.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.