this post was submitted on 28 Aug 2024
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Firefox rolls out Total Cookie Protection by default to all desktop users worldwide | It is Firefox’s strongest privacy protection to date, confining cookies to the site where they were created (blog.mozilla.org)
submitted 2 months ago by ForgottenFlux@lemmy.world to c/technology@lemmy.world
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[–] Cosmicomical@lemmy.world 2 points 2 months ago (1 children)

Sure, but the separate window can be on a different domain. Now you have a way to share cookies across multiple websites on different domains if all of them include an iframe to this external domain. And you can use in-browser messages (see window.postMessage()) to communicate between iframes and main window.