You may have seen the favicon supercookie 🪠paper on Twitter a couple of days ago (https://t.co/vFltdfG0j0). Jonas Strehle has now built a very approachable demo (https://t.co/gxYVRe9HnD) and written a nice summary https://t.co/NUVlcTM0qy of the attack
💡 Good reminder from @codepo8 about the ability of sharing data between CSS and JavaScript using custom properties: https://t.co/0q1bICnAGS. That’s indeed the trick I use for my poor person’s Joy-Con WebHID demo: https://t.co/5dOlvJQO7E.