Back in 2015, a Chrome extension titled went viral by claiming it could reveal the "Hidden Friends" list of any user. At the time, Facebook allowed users to hide their friend lists from the public or even from their own friends. The extension used a simple but effective logical loophole:
It proved that a user's privacy settings were only as strong as the most public settings of their friends. Malicious Potential: facebook friend mapper chrome extension
Open the extension popup. You will usually see sliders for: Back in 2015, a Chrome extension titled went
Interesting concept, but proceed with caution Rating: ⭐⭐⭐☆☆ (3/5) Back in 2015