bool ListenToGuestWebContents(
    AccessibilityNotificationWaiter* accessibility_waiter,
    WebContents* web_contents) {
  accessibility_waiter->ListenToAdditionalFrame(
      static_cast<RenderFrameHostImpl*>(web_contents->GetMainFrame()));
  return 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.