Comment 636 for bug 263435

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In , Bugzilla-tff (bugzilla-tff) wrote :

...and a simple technique for a malicious coder would be to take up the entire window/screen so that you can't click outside it.

I'm not sure if this is a further advancement of this problem, but I've noticed that ctrl-w and ctrl-F4 don't work when a plugin has focus in Windows. This means you are trapped unless you can find a place to click, or you close FF entirely.

At the very least, there need to be some keys/shortcuts that are off limits to all plugins. Shortcuts to close the tab and window should be at the top of that list.

Currently some plugins, such as Acrobat Reader, will exit the plugin when ctrl-F4 is used, but one still needs to click outside the tab or window to get keyboard control back.