CVE-2025-7438 MasterStudy LMS – Online Courses, eLearning PRO Plus <= 4.7.9 - Authenticated (Subscriber+) Arbitrary File Upload
Authenticated subscribers can upload arbitrary files via insufficient validation, potentially leading to remote code execution on the server.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-7438?
CVE-2025-7438 is a high-severity vulnerability in StylemixThemes MasterStudy LMS Pro, published on 18 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The MasterStudy LMS Pro plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the 'install_and_activate_plugin' function in all versions up to, and including, 4.7.9. 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. The vulnerability is difficult to exploit due to timing requirements and environmental factors.
Weakness: CWE-434
Which versions are affected by CVE-2025-7438?
How do I fix CVE-2025-7438?
No fix has been published for CVE-2025-7438 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-7438 being exploited?
There is no known exploitation of CVE-2025-7438 in the wild and no public exploit code.
Sources
Also known as GHSA-7fc4-63j4-c2h9.