High severity8.8NVD Advisory· Published May 28, 2025· Updated Apr 15, 2026

CVE-2025-4800

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Masterstudy Lms Proinferred
Range: <=4.7.0
Package: https://wordpress.org/plugins/masterstudy-lms-pro
Stellarwp/Masterstudy Lmsllm-fuzzy
Range: <=4.7.0

Patches

Vulnerability mechanics

References

docs.stylemixthemes.com/masterstudy-lms/changelog-pro-versionnvd
stylemixthemes.com/wordpress-lms-plugin/nvd
themeforest.net/item/masterstudy-education-center-wordpress-theme/12170274/nvd
www.wordfence.com/threat-intel/vulnerabilities/id/c170a228-4abd-4ee6-ba37-bdcde1cb7fc5nvd

News mentions

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