The Academy LMS WordPress plugin before 3.8.3 does not verify course enrollment or lesson publication status when returning a single lesson through its REST API, allowing users with a self-service student (Subscriber-level) account to disclose the content of arbitrary lessons, including lessons of paid courses they are not enrolled in and unpublished (draft, pending, private) lessons.
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Academy LMS academy.This issue affects Academy LMS: from n/a through 1.9.25.