void ContextMenuFilter::OnContextMenu(
    const content::ContextMenuParams& params) {
  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
  handled_ = true;
  last_params_ = params;
  message_loop_runner_->Quit();
}

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.