Khalil Shreateh specializes in cybersecurity, particularly as a "white hat" hacker. He focuses on identifying and reporting security vulnerabilities in software and online platforms, with notable expertise in web application security. His most prominent work includes discovering a critical flaw in Facebook's system in 2013. Additionally, he develops free social media tools and browser extensions, contributing to digital security and user accessibility.

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Contact us at khalil@khalil-shreateh.com

Vulnerability Name: Page admin disclosure vulnerability

Impact :

This vulnerability allowes Facebook user to know who is the admin of any Facebook page

Details : 

One of Facebook last year updates allows users to choose one of their pages usernames to leave a comment with, They replaced the old style where we was able to change from our page username to our account username from the top of the page . As you see in the above picture i have different usernames i can choose between to leave a comment on my page post or any other facebook page post . 

After making few tests i was able to take the advantage of this new feature to exploit it in other behavior where i can know any page admin :) . Sorry there will be no code to display or POC video . 

Timeline Report : 

First Report : Oct 13, 2014 9:02pm
FB Reply : Oct 14, 2014 1:41am Asking for a POC Video and more information . 
Second Report: Oct 14, 2014 7:53am POC Video Attached . 
FB Reply: Oct 18, 2014 2:11am  Failed To Exploit  . 
Third Report: Oct 18, 2014 7:49am More information and wondering why it did not work .. etc 
FB Reply:  

This Vulnerability Patched Weeks Ago.

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