Multiple cross-site scripting (XSS) vulnerabilities in Textpattern (aka Txp CMS) 4.0.5 allow remote attackers to inject arbitrary web script or HTML via (1) the PATH_INFO to setup/index.php or (2) the name parameter to index.php in the comments preview section.
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.