Multiple cross-site scripting (XSS) vulnerabilities in RunCMS before 1.6.1 allow remote attackers to inject arbitrary web script or HTML via (1) the subject parameter to modules/news/submit.php; (2) the PATH_INFO to modules/news/index.php, possibly related to the XoopsPageNav class; or (3) an avatar image to edituser.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.