Many cookie consent services – for example SecurePrivacy, CookieBot, and CookiePro – allow "cross-domain" consent, where consenting with cookie usage on one domain will imply consent on certain other domains as well. This means that after you've consented on e.g.
example.org you are not shown the cookie consent dialog on
These services do not talk about the legal aspects of this functionality, so I'm wondering if it really is compliant with GDPR to do this? And what about CCPA?
I realize that any answers or comments are not legal advice and I will not take them as such. I'm just asking for some sort of justification or comments on the validity of this approach.