New Bugs Found In Internet Explorer 5
According to this article in Infoworld
is that Active Scripting be disabled on 5.0 versions of Internet Explorer to eliminate the possibility of this expliot until a patch can be developed.
Additionally, BugNet reports that a rendering bug in IE5 can result in corrupted tags which, while not ruining them for general web use, will render them unusable by XML parsers.See http://www.infoworld.com/cgi-bin/displayStory.pl?990929.eciewoes.htm
for more information.