The author recounts discovering a bug on Facebook in 2019 while hunting for vulnerabilities outside work hours.
The bug found was a privacy glitch related to Facebook pages that allowed admins to hide their business address.
Despite not being a high-profile bug like Remote Code Execution (RCE), it was insightful for the author.
The author shares the scenario of testing a Facebook page from an account with an 'analyst' role, which typically does not have access to the page's hidden address.