The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform per-object ownership or capability checks when updating orders through its REST API, allowing users with the Instructor role to modify any order on the site, granting free course enrolment, revoking other users' paid enrolments, and tampering with order notes.
History

Tue, 29 Sep 2026 13:30:00 +0000

Type Values Removed Values Added
First Time appeared Stylemix
Stylemix masterstudy Lms Wordpress Plugin
Wordpress-extensions
Wordpress-extensions masterstudy Lms
Vendors & Products Stylemix
Stylemix masterstudy Lms Wordpress Plugin
Wordpress-extensions
Wordpress-extensions masterstudy Lms

Fri, 18 Sep 2026 12:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-639
Metrics cvssV3_1

{'score': 3.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Fri, 18 Sep 2026 06:15:00 +0000

Type Values Removed Values Added
Description The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not perform per-object ownership or capability checks when updating orders through its REST API, allowing users with the Instructor role to modify any order on the site, granting free course enrolment, revoking other users' paid enrolments, and tampering with order notes.
Title MasterStudy LMS < 3.7.50 - Instructor+ Order Status Manipulation via IDOR
References

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-09-18T06:00:11.903Z

Updated: 2026-09-18T11:13:38.917Z

Reserved: 2026-08-26T18:07:36.343Z

Link: CVE-2026-81340

cve-icon Vulnrichment

Updated: 2026-09-18T11:09:16.917Z

cve-icon NVD

Status : Deferred

Published: 2026-09-18T06:16:39.073

Modified: 2026-09-18T19:08:32.830

Link: CVE-2026-81340

cve-icon Redhat

No data.