Cross-site scripting (XSS) vulnerability in the XCloner plugin 3.1.2 for WordPress allows remote authenticated users to inject arbitrary web script or HTML via the excl_manual parameter in the xcloner_show page to wpadmin/plugins.php.
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.