Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://docs.stylemixthemes.com/masterstudy-lms/changelog-pro-version
- https://stylemixthemes.com/wordpress-lms-plugin/
- https://themeforest.net/item/masterstudy-education-center-wordpress-theme/121702
- https://www.wordfence.com/threat-intel/vulnerabilities/id/c170a228-4abd-4ee6-ba3
FAQ
What is CVE-2025-4800?
CVE-2025-4800 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 ...
How severe is CVE-2025-4800?
CVE-2025-4800 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-4800?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.