The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.40 does not verify the amount, receiver, currency or status of a payment notification before marking the corresponding order completed, allowing unauthenticated users to complete full-price orders and gain access to paid content by paying only a token amount.
History

Tue, 01 Sep 2026 12:45:00 +0000

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

Sun, 30 Aug 2026 03:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285

Sun, 30 Aug 2026 01:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-284
Metrics cvssV3_1

{'score': 4.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N'}

ssvc

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


Sat, 29 Aug 2026 09:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-285

Sat, 29 Aug 2026 06:15:00 +0000

Type Values Removed Values Added
Description The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.40 does not verify the amount, receiver, currency or status of a payment notification before marking the corresponding order completed, allowing unauthenticated users to complete full-price orders and gain access to paid content by paying only a token amount.
Title MasterStudy LMS < 3.7.40 - Unauthenticated Payment Bypass via PayPal IPN
References

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published: 2026-08-29T06:00:23.592Z

Updated: 2026-08-30T00:56:50.594Z

Reserved: 2026-08-26T15:19:45.263Z

Link: CVE-2026-81026

cve-icon Vulnrichment

Updated: 2026-08-30T00:48:35.328Z

cve-icon NVD

Status : Deferred

Published: 2026-08-29T06:17:55.990

Modified: 2026-08-31T20:14:36.250

Link: CVE-2026-81026

cve-icon Redhat

No data.