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Facebook Business Takeover-Facebook Reward $27,500 Bounty

Facebook Reward $27,500 Bounty
Facebook Business Takeover
Facebook Reward $27,500 Bounty

There is a call to import admins to a business account. The call at the time didn’t seem to have any permissions set to it. This meant it was possible to add oneself as an admin to any business.

Proof of Concept



This will add the user to the business as an administrator.


This could have let an attacker without an existing role, take over any business account and gain access to various business assets (Facebook pages, Ad accounts, applications, Instagram accounts) connected to the business.


  • Oct 9, 2018 – Report Sent
  • Oct 9, 2018 – Further investigation by Facebook
  • Oct 10, 2018 – Endpoint removed
  • Oct 15, 2018 – Confirmation of audit by Facebook
  • Oct 15, 2018 – Fixed by Facebook
  • Oct 17, 2018 – $27,500 bounty awarded by Facebook

Stored Xss Bypass Technic-Story Of a Stored XSS Bypass

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Writeup Submit: Prial Islam Khan

Blog Author: Md Hridoy

Copyright By © Bug Bounty TuT



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