Mozilla Firefox before 58.0 or Firefox ESR before 52.6 or Thunderbird before 52.6 :- If right-to-left text is used in the addressbar with left-to-right alignment, it is possible in some circumstances to scroll this text to spoof the displayed URL. This issue could result in the wrong URL being displayed as a location, which can mislead users to believe they are on a different site than the one loa ...