disabilitaxmlrpc.php

<?php
/**
 * Plugin Name: Disabilita XML-RPC
 * Version:     1.0
 * Plugin URI:  http://www.tosolini.info/2015/02/vulnerabilita-ghost-e-wordpress
 * Description: Disabilita il servizio XML-RPC per vulnerabilità GHOST.
 * Author:      Walter Tosolini
 * Author URI:  http://www.tosolini.info/
 */

add_filter('xmlrpc_enabled', '__return_false');

?>