Web page took over Firefox

[Schiz0]

On Thu, Jun 5, 2008 at 12:12 PM, Kipton Moravec <kip at kdream.com> wrote:
> Made a mistake and hit a link I should not have. It was the first one on
> a google search.
>
> http://www.geocities.com/sammiestuart22/woodenalphabetblocks/embesseling-money.html
>
> It popped up a message window asking to install "Antivirus 2008" and
> would not let me close the Firefox window, change the URL, or cancel the
> install window. I could not change to another tab. I could go to another
> Firefox window.
>
> While it looks like a Windows Virus, or something, how come it is able
> to take over firefox and keep me from closing it or changing to a new
> URL?
>
> I thought Ubuntu helped prevent this crap from happening.
>
> I either have to find the process and kill it or reboot.
>
> Is there a GUI way to stop it? I have 8.04 LTS.
>
> Kip

That's most likely javascript, which runs inside pretty much every
browser. Use a firefox extension such as NoScript in order to block
javascript on unknown pages.

https://addons.mozilla.org/en-US/firefox/addon/722