Slider by Soliloquy <= 2.8.1 - Authenticated (Subscriber+) Information Disclosure via REST API Endpoint

The Slider by Soliloquy – Responsive Image Slider for WordPress plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.8.1 via the map_meta_cap. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract draft slider metadata including unpublished media URLs, captions, and slider configuration authored by administrators or editors.