Found this article from itWorldCanada. I am not blaming on these browsers, in contrast they are great, they made the Internet world better than ever and made Microsoft to keep their IE improved to catch up. I just want to present this to those who keep saying IE is a piece of crap from security perspective, IE is much stronger than what you think.
Firefox, Mozilla, Opera struck by spoofing flaw
By: John E. Dunn
Techworld.com (09 Feb 2005)
A dangerous spoofing security hole has been found in every browser on the market — except one.
Mozilla, Firefox, Safari, Opera and Netscape all suffer from the "moderately critical" vulnerability that allows the spoofing of address bar URLs and SSL certificates, but, incredibly Microsoft Corp.'s Internet Explorer gets a clean bill of health.
Publicized by security company Secunia, the flaw affect the range of browsers using the open-source Geko browser kernel. Anyone using an affected browser would be able to visit spoofed Web sites without being aware of it, something that would aid any crime based on setting up bogus websites, such as phishing.
see the full article here