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.
Published: 2026-08-29
Score: 4.8 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

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

Subscriptions

Stylemix Masterstudy Lms Wordpress Plugin
Wordpress Wordpress
cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

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.

cve-icon OpenCVE Enrichment

Updated: 2026-09-01T12:30:04Z

Weaknesses