  void LoadTestPage(const std::string& test_page) {
    content::WindowedNotificationObserver load_observer(
        content::NOTIFICATION_LOAD_STOP,
        content::NotificationService::AllSources());
    GURL url = test_server()->GetURL(test_page);
    ui_test_utils::NavigateToURL(browser(), url);
    load_observer.Wait();
  }

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.