CVE-2025-4800 – WordPress MasterStudy LMS Pro Arbitrary File Upload Vulnerability

CVE ID : CVE-2025-4800

Published : May 28, 2025, 6:15 a.m. | 26 minutes ago

Description : 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.

Severity: 8.8 | HIGH

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