  CrostiniUpgraderFactory()
      : BrowserContextKeyedServiceFactory(
            "CrostiniUpgraderService",
            BrowserContextDependencyManager::GetInstance()) {
    DependsOn(CrostiniManagerFactory::GetInstance());
  }

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.