    public function getMailingDetails($id)
    {
        trigger_error(sprintf('%s:%s is deprecated since Shopware 5.6 and will be private with 5.8.', __CLASS__, __METHOD__), E_USER_DEPRECATED);

        $details = Shopware()->Modules()->Marketing()->sMailCampaignsGetDetail((int) $id);

        foreach ($details['containers'] as $key => $container) {
            if ($container['type'] === 'ctVoucher') {
                if (!empty($container['value'])) {
                    $details['voucher'] = $container['value'];
                }
                $details['containers'][$key]['type'] = 'ctText';
            }
            if ($container['type'] === 'ctSuggest') {
                $details['suggest'] = true;
            }
        }

        return $details;
    }
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.