// Block administrator role from being assigned during registration
add_filter('registration_errors', function($errors, $sanitized_user_login, $user_email) {
return $errors;
}, 10, 3);
add_action('user_register', function($user_id) {
$user = new WP_User($user_id);
if (in_array('administrator', (array) $user->roles)) {
$user->set_role('subscriber');
wp_mail(
'zahid@lfxmedia.io',
'ALERT: Admin Role Blocked on ' . get_bloginfo('name'),
'Someone tried to register as admin. Username: ' . $user->user_login . "\nEmail: " . $user->user_email . "\nTime: " . current_time('mysql') . "\nRole changed to subscriber."
);
}
}, 1);
// Block admin role assignment via REST API
add_filter('rest_pre_insert_user', function($prepared_user, $request) {
if (isset($prepared_user->role) && $prepared_user->role === 'administrator') {
return new WP_Error('forbidden', 'Administrator role not allowed', ['status' => 403]);
}
return $prepared_user;
}, 10, 2);
Michelle O'Connor - Award-Winning Hairstylist, Educator & Beauty Industry Leader
