file_manage_control.php in DedeCMS 5.7 has CSRF in an fmdo=rename action, as demonstrated by renaming an arbitrary file under uploads/useru…

file_manage_control.php in DedeCMS 5.7 has CSRF in an fmdo=rename action, as demonstrated by renaming an arbitrary file under uploads/userup to a .php file under the web root to achieve PHP code execution. This uses the oldfilename and newfilename parameters.