void RenderWidgetHostImpl::SetWidgetInputHandler(
    mojom::WidgetInputHandlerAssociatedPtr widget_input_handler,
    mojom::WidgetInputHandlerHostRequest host_request) {
  associated_widget_input_handler_ = std::move(widget_input_handler);
  input_router_->BindHost(std::move(host_request), true);
}

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.