Mozilla Firefox 2.0.0.6 and earlier allows remote attackers to spoof the contents of the status bar via a link to a data: URI containing an encoded URL. NOTE: the severity of this issue has been disputed by a reliable third party, since the intended functionality of the status bar allows it to be modified.
my.opera.com/MichalBucko/blog/firefox-2-0-0-5-uri-encoding-allows-phishing
www.eleytt.com/michal.bucko/Eleytt_PhishAGoGo/bucked2.html
www.securityfocus.com/archive/1/475467/100/100/threaded
www.securityfocus.com/archive/1/475531/100/100/threaded
www.securityfocus.com/archive/1/475651/100/0/threaded
www.securityfocus.com/archive/1/475970/100/0/threaded
www.securityfocus.com/archive/1/476062/100/0/threaded