    public function confirm()
    {
        $project = $this->getProject();
        $filter = $this->customFilterModel->getById($this->request->getIntegerParam('filter_id'));

        $this->response->html($this->helper->layout->project('custom_filter/remove', array(
            'project' => $project,
            'filter' => $filter,
            'title' => t('Remove a custom filter')
        )));
    }
The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.