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by kilburn 2402 days ago
SameSite cookies are never sent on CORS requests (not even when the server explicitly allows CORS requests with credentials [1]).

In other words: yes, it would have mitigated Bluehost's problems. It would also have broken their sites (or otherwise they would not be needing to use CORS requests at all).

[1] https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Ac...