The RTMKit WordPress plugin before 2.0.9 does not perform a capability check in one of its AJAX actions and resolves a request-supplied post identifier directly, allowing users with at least the Contributor role to read the titles of other users' private, draft, pending, scheduled and trashed posts.
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N