Facebook Bug Bounty $$$$ : Crossposting Live Videos | Facebook Live

In the Facebook Page Settings, you could setup the option for Crossposting Live videos from other pages.

 The Attacker's page adds a Page (Victim's Page) for crossposting their videos

Victim Page's Admin accepts the approval and the default option is Crossposting videos without further approval

The Attacker starts live video and selects Victim's Page in the "Crosspost to more pages"

Victim visits the Crossposting page in the Page settings and and removes Attacker's Page

Attacker selects "Use camera" and clicks on "Go Live".

The Victim's Page starts automatically crossposting the live video of Attacker, 

Bug Bounty of $500