If you use your Facebook account to login to other web sites, the latest Facebook security blunder enabled attackers to log in to all of those web sites too, not just FB.

FACEBOOK’S latest hack attack doesn’t just affect the social network – but loads of other sites too. If you use Facebook to log into other services – like Instagram or Tinder – then Fac…

Source: Facebook hackers got access to your Tinder, Spotify, Instagram, Messenger and Airbnb too

This is a good reason to not use a centralized account to login to other accounts.

To avoid this occurring to you, follow the advice given in this previous post.