CVE-2025-4800 Information
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 Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Reference
https://docs.stylemixthemes.com/masterstudy-lms/changelog-pro-version https://stylemixthemes.com/wordpress-lms-plugin/ https://themeforest.net/item/masterstudy-education-center-wordpress-theme/12170274/ https://www.wordfence.com/threat-intel/vulnerabilities/id/c170a228-4abd-4ee6-ba37-bdcde1cb7fc5?source=cve
Attack Complexity
LOW
Privileges Required
LOW
User Interaction Required
LOW
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
8.8
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