Security researcher Pouya Darabi found a vulnerability that allows anyone to delete any photo from the Facebook platform. Facebook recently introduced a poll feature which allows users to make votable questions as the status on both Android and iOS apps. The vulnerability allows anyone can quickly change the Image ID that associated with any other image ID when sending the request to the facebook server. He reported the bug on November 3 and Facebook responds quickly and fixes the bug by 5 Nov 2017. Facebook Awarded $10,000 as bounty for his findings.”]
Source: https://gbhackers.com/facebook-vulnerability-delete-photos/