The move came after the social media giant completed a comprehensive security audit, during which it said it found and fixed some flaws itself.
However, Facebook security engineer Collin Greene said the company would "like to encourage additional scrutiny from Whitehats to see what we might have missed."
Saying that the increased payouts would be available until the end of the year, Greene added Facebook hopes to “encourage researchers to become more familiar with the surface area of ads to better protect the businesses that use them".
Bugs which are already being fixed include redeeming the same ad coupon multiple times without expiry and, through Ads Create Flow, finding the name of an unpublished page by guessing the page ID.