Shopify: Privilege Escalation - A `MEMBER` with no ACCESS to `ORDERS` can still access the orders by using `Order Printer APP`

This researcher pointed out that Shopify's app ecosystem has no built-in way of verifying who is using an app, and therefore most apps do not verify user privileges when requesting and displaying a store's data. To resolve this issue we implemented an "online access" mode in which an app can...