https://wpml.org/errata/cookie-wp-wpml_current_language-will-be-soon-rejected-because-it-has-the-samesite-attribute-set-to-none/
Dec 3, 2021 - If you select the option to Store a language cookie to support language filtering for AJAX on the WPML → Languages page, you will see the following error
firefox browsercurrent languagewpcookiesoon
https://www.educative.io/courses/web-application-security-everyday-software-engineer/samesite-the-csrf-killer
Learn how the SameSite cookie flag helps prevent cross-site request forgery by restricting cookie sending across sites, improving security.
samesite cookiecsrf attacksunderstandingprevent
https://github.com/valorin/samesite
SameSite Cookies Tester - a simple web app to test SameSite cookie behaviours in the browser - valorin/samesite
simple webgithubvalorincookiestester