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Cookie “ceid” does not have a proper “SameSite” attribute value

Posted: Tue Oct 21, 2025 8:29 pm
by ArtcoInc
(On an in-house WAMP server, Phoenix 1.0.3.0, PHP 7.4.33)

When the shop first loads, in the console, I see a warning:
Cookie “ceid” does not have a proper “SameSite” attribute value. Soon, cookies without the “SameSite” attribute or with an invalid value will be treated as “Lax”. This means that the cookie will no longer be sent in third-party contexts. If your application depends on this cookie being available in such contexts, please add the “SameSite=None“ attribute to it. To know more about the “SameSite“ attribute, read https://developer.mozilla.org/docs/Web/ ... e/SameSite
When a customer logs in, the warning goes away. If they log out, still is no warning.

Is this something to be concerned about?

TIA

Malcolm

Re: Cookie “ceid” does not have a proper “SameSite” attribute value

Posted: Tue Oct 21, 2025 8:45 pm
by burt
Lax is OK, and is in fact what modern versions of Phoenix use.