Facebook increases the average payout for security researchers to encourage them to find high impact Vulnerabilities. The researchers who find account takeover vulnerabilities that lead to full account takeover without user consent will be rewarded up to $40,000. The change in payout for bounties applicable to other products owned by Facebook including Instagram, WhatsApp, and Oculus. Facebook revealed a security breach that exposes 50 million accounts access tokens, hackers steal the access tokens by exploiting a bug in View As a feature. The account takeover vulnerability allows an attacker to take complete control over the user account and access victims personal and group conversations.”]
Source: https://gbhackers.com/facebook-high-impact-vulnerabilities/