Advisories for Gem/Pageflow package

The attack allows extracting sensitive properties of database objects that are associated with users or entries belonging to an account that the attacker has access to. Pageflow uses the ActiveAdmin Ruby library to provide some management features to its users. ActiveAdmin relies on the Ransack library to implement search functionality. In its default configuration, Ransack will allow for query conditions based on properties of associated database objects [1]. The *_starts_with, …

Pageflow has a membership edit feature which allows users to edit the roles of user memberships associated with an account that they have the manager role to (including their own). While the Entity dropdown select field is greyed out in the UI, an attacker can use tools which allow sending arbitrary HTTP request to craft a request to the /admin/users/{user_id}/memberships/{membership_id} endpoint containing an additional membership[entity_id] parameter. This parameter is honored …