CVE-2026-81026 — MasterStudy LMS < 3.7.40 - Unauthenticated Payment Bypass via PayPal IPN
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 corres…
Published: 2026-08-29 · CVSS: 4.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7