You have probably just been logged out of a bunch of services you use.
These services are probably vulnerable to CSRF attacks. These providers should probably implement transactions (like logout) in a better, safer way.
I know you are pissed off now, and you should be. Not at the innocent Frontend engineer who coded this, but at the websites that allow this to happen.
Sorry for any inconveniences this may have caused. I solemnly swear that I'm up to only good.