In other words, your address bar may appear to point to a banking website, which may trick you into entering your banking credentials, when in reality it's being hosted on some site where all they want is to extract your username and password.
web page. Click the "Demo" button and Mobile Safari will open a new window which shows "www.apple.com" in the address bar, even though it's actually loading a page from MajorSecurity.net.
Although announced just a few days ago, MajorSecurity said that Apple was informed of the bug about three weeks ago. It's expected that Apple will release a patch quickly, probably to iOS 5.1.1.