source: https://www.securityfocus.com/bid/40622/info
cPanel Image Manager is prone to a local file-include vulnerability because it fails to properly sanitize user-supplied input.
An attacker can exploit this vulnerability to view files and execute local scripts in the context of the webserver process, which may aid in further attacks.
http://www.example.com/frontend/x3/cpanelpro/doconvert.html?target=/etc/