2011/12/8 Michal Zalewski <lcamtuf@xxxxxxxxxxx>: > What part? The change of a URL that is not associated with the > repainting of window contents? I believe that they are very unlikely > to catch this after initially examining the URL, in absence of other > indicators (change in URL length, page repainting, throbber activity). And even if so - someone who's typing in his password will not notice/react to a page reload for at least a few keystrokes. A javascript could send those to the server immediately, and if it's a semanic password, you might be able to guess the rest.