std::vector<PageHandler*> PageHandler::EnabledForWebContents(
    WebContentsImpl* contents) {
  if (!DevToolsAgentHost::HasFor(contents))
    return std::vector<PageHandler*>();
  std::vector<PageHandler*> result;
  for (auto* handler :
       PageHandler::ForAgentHost(static_cast<DevToolsAgentHostImpl*>(
           DevToolsAgentHost::GetOrCreateFor(contents).get()))) {
    if (handler->enabled_)
      result.push_back(handler);
  }
  return result;
}

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.