Firefox zero day: You can't leave this web page

https://github.com/fulldecent/you-cant-leave-this-page-2

by fulldecent2 • 2 years ago

2 7 2 years ago

github.com

fulldecent23• 2 years ago

You can't use the back button to leave a page

MissTake• 2 years ago

This is hardly new...

https://lifehacker.com/how-to-navigate-away-from-a-website-t...

I've always gotten around it by Long pressing the Back button and then selecting the page to go to. Bypassed your "block" as well...

This is not a big of a find that you think there is. And I'm not sure calling it a "Zero Day" is appropriate either as it doesn't exactly cause much of a problem.

fulldecent23• 2 years ago

That is a good workaround.

In Chrome/Safari, this specific bug doesn't exist.

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I don't think this is a "big" zero day. But if non-working navigation results in someone getting scammed then it might be big for them.

politelemon• 2 years ago

This is not a zero day, disabling the back button is a commonly employed technique on some sites.

fulldecent23• 2 years ago

And each of them are a vulnerability.

This one here is not affected in Chrome

kassner• 2 years ago

Right click on the back button will show you a list with the previous pages. Looks like it doesn’t affect it.

pwg• 2 years ago

Also does not work with uBlockOrigin disabling javascript (either of uBlockOrigin's global block or inline script block prevents it from working).

Firefox zero day: You can't leave this web page

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