void RenderFrameHostManager::EnsureRenderFrameHostVisibilityConsistent() {
  RenderWidgetHostView* view = GetRenderWidgetHostView();
  if (view && static_cast<RenderWidgetHostImpl*>(view->GetRenderWidgetHost())
                      ->is_hidden() != delegate_->IsHidden()) {
    if (delegate_->IsHidden()) {
      view->Hide();
    } else {
      view->Show();
    }
  }
}

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.