Stop me if you've heard this one before: Facebook has a privacy hole that exposes private information to the public. And it's a serious one, this time in Facebook Pages Manager for Android, which has been installed over 5 million times since January of this year. Let me explain.
Update 5/26/13 11:30pm PT: Rory from Facebook Security has informed me that the company is looking into the issue and "will try to get a fix up soon."
Update 5/27/13 06:28pm PT: Facebook patched the issue.