Hey there!
So a bug affected cloudflare for months [1] and may have leaked private data of HTTPS sessions.
What does that mean? Well, it means you better change your password for all the impacted websites.
Why do I post that here? Because according to the current list [2] (wip), blenderartists.org is impacted.
So I suggest you change your password now and check for yourself the list of websites.
And don’t forget, using a password manager is highly recommended as a good practice when it comes to security.
I hope this will help 
[1] https://arstechnica.com/security/2017/02/serious-cloudflare-bug-exposed-a-potpourri-of-secret-customer-data/
[2] https://github.com/pirate/sites-using-cloudflare