Reply to post: Why the problem?

Mozilla warns more Firefox website breakage to come because devs just aren't checking for SameSite snafus

Paul Herber Silver badge

Why the problem?

On website for domain xyz.com only cookies relating to xyz.com should be accessible. Nothing else.

Any code within that page that accesses some other domain e.g. facexyz.com can only access cookies for facexyz.com for that instance, and cookies for xyz.com are not accessible. Simples. One cookie at a time.

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