I use ublock origin to block ads and ghostery to block a lot of trackers, theres some configurability to block some stuff from social media accounts maybe it will help..?
But for this particular problem, I want it off everywhere, all the time, no exceptions for anyone. According to https://robinlinus.github.io/socialmedia-leak/ I'm covered. I have 3rd-party cookies disabled and uBlock Origin but I'm not sure what's helping me. Banks shouldn't be utilizing vulnerabilities in the name of security, I haven't had an issue logging into anything yet.
[1] https://github.com/gorhill/uMatrix