Mozilla Firefox < 2.0.0.8
The version of Firefox installed on the remote macOS or Mac OS X host is prior to 2.0.0.8. It is, therefore, affected by a vulnerability as referenced in the mfsa2007-33 advisory. - Mozilla Firefox before 2.0.0.8 and SeaMonkey before 1.1.5 can hide the window's titlebar when displaying XUL markup...