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The readme is clear and also hilarious. I love this kind of thing. Anyway, this part sounds like the sort of obscure browser idiosyncrasy that I'll read about i
by TechBro8615 3y ago
The readme is clear and also hilarious. I love this kind of thing. Anyway, this part sounds like the sort of obscure browser idiosyncrasy that I'll read about in some exploit writeup years from now:
> What's cool is that a browser won't actually load that background image until this selector is used
Intuitively it strikes me as leaky, fingerprintable behavior. I don't see any obvious problem with it, but it does vaguely remind me of those hacks that could exfiltrate browsing history with clever usage of the :visited selector.
- fishtoaster 3y agoYeah, the original inspiration for this was a tweet where the poster was using that behavior to leak cursor position (by having a big grid of divs with hover-over css classes with background images)!