If you have ever logged in to an app or website using your Facebook, you will need to take some time to update some security settings.
The post on the blog of Facebook for this error he uses a specific example of a person running a fitness app "to invite his friends to a workout without knowing that some of his friends are inactive for many months". The application could then collect more data without asking the user for authorization, simply because it was used at some point.
Although there does not appear to be malicious intent, errors like this could lead to security issues.
The Facebook so fix the problem immediately. In fact, according to the company, no leaked data was found.
But it seems like a good time to remove any apps associated with your account at Facebook and which you no longer use.
How to unlink third-party applications from your Facebook
Open the application Facebook on iOS or Android or from Facebook.com in a browser if you are using a desktop computer.
Open the Settings menu, and then scroll down. Click or click on “Applications and websites".
Remove any applications that you no longer want to be linked to your account.
If you do not see the list of applications, this means that you have either never connected to a third-party application using Facebook, or that it was quite some time ago and Facebook remove them from your account for you.
The Facebook automatically starts removing applications from the user's accounts if you do not have access to them for 90 days.
Removed - disconnected applications may still have the data they collected from you, but will no longer be able to track you after they have been removed.
The Applications and Sites menu also lets you control your account's default interactions with third-party applications through Facebook.
Click the "Edit" button to enable or disable features.