The following error is seen in the console. This article clarifies whether this error is coming from Auth0 and whether it impacts any of the existing applications.
 

Stop!

This is a browser feature intended for developers. If someone told you to copy-paste something here to enable a Facebook feature or "hack" someone's account, it is a scam and will give them access to your Facebook account.

• Facebook Social Login
• Facebook Console Error

This error likely appears in the console when utilizing a Facebook social login. It can be triggered if their endpoints are hit. 

This error does not come from Auth0 and is not related to Auth0 authentication. It is a warning from Facebook for users not to paste any unknown/untrusted code into the developer console to prevent XSS attacks or potentially give someone access to the Facebook account.