Missing Authorization check while deleting App Review for Marketing API Peter, was enjoying the weekend, and he heard Lois screaming. Hey, Peter, when are we getting new Television: Well, huh!!! Alright… Let's find something Honey :p Facebook has an option for App Review for Marketing API: This privilege is only given to app admin: App Review can only be submitted by app admins. Please contact an admin on the app to submit this app for review. Impact: A developer can change the app submission settings which can only be done by an admin and can also play with current submission settings. here's the official documentation: Facebook developer's documentation The authorization check for the developer is missing on backend for the add/delete requests. Peter being a developer was able to delete the added submissions(despite of having them disabled on front end) Steps to replicate: 1. create a test app, 2. add admin A and developer B 3. from developer B’...