bool Browser::ShouldFocusLocationBarByDefault(WebContents* source) {
  if (source != tab_strip_model_->GetActiveWebContents())
    return false;

  const content::NavigationEntry* entry =
      source->GetController().GetPendingEntry()
          ? source->GetController().GetPendingEntry()
          : source->GetController().GetLastCommittedEntry();
  if (entry) {
    const GURL& url = entry->GetURL();
    const GURL& virtual_url = entry->GetVirtualURL();
    if ((url.SchemeIs(content::kChromeUIScheme) &&
         url.host_piece() == chrome::kChromeUINewTabHost) ||
        (virtual_url.SchemeIs(content::kChromeUIScheme) &&
         virtual_url.host_piece() == chrome::kChromeUINewTabHost)) {
      return true;
    }
  }

  return search::NavEntryIsInstantNTP(source, entry);
}

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.