Multiple cross-site scripting (XSS) vulnerabilities in index.php in XZero Community Classifieds 4.97.8 allow remote attackers to inject arbitrary web script or HTML via (1) the postevent parameter in a post action or (2) the _xzcal_y parameter.
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.