CVE-2025-4800 – MasterStudy LMS Pro <= 4.7.0 - Authenticated (Subscriber+) Arbitrary File Upload

https://notcve.org/view.php?id=CVE-2025-4800

27 May 2025 — The MasterStudy LMS Pro plugin for WordPress is vulnerable to arbitrary file uploads due to a missing file type validation in the stm_lms_add_assignment_attachment function in all versions up to, and including, 4.7.0. This makes it possible for authenticated attackers, with Subscriber-level access and above, to upload arbitrary files on the affected site's server, which may make remote code execution possible. • https://docs.stylemixthemes.com/masterstudy-lms/changelog-pro-version • CWE-434: Unrestricted Upload of File with Dangerous Type •