  def mime_magic_content_type(new_file)
    content_type = nil

    File.open(new_file.path) do |fd|
      content_type = Marcel::MimeType.for(fd)
    end

    content_type
  end
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.