CVE-2026-81026
Medium
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.
SeverityMedium
CVSS4.8
Exploit probability—
ProductMasterStudy LMS WordPress Plugin
PublishedAug 29, 2026
First seenAug 29, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- MasterStudy LMS WordPress Plugin3.7.40 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| MasterStudy LMS WordPress Plugin | v < 3.7.40 | 3.7.40 |
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