CVE-2026-81026MasterStudy LMS < 3.7.40 - Unauthenticated Payment Bypass via PayPal IPN
Updated under an hour ago ()
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It affects Unknown MasterStudy LMS WordPress Plugin. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 4.8 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
- Weakness (CWE)
- CWE-284
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- WPScan
- NVD analysis
- Deferred
- Record last updated
- Aug 30, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Unknown MasterStudy LMS WordPress Plugin unknown:masterstudy_lms_wordpress_plugin (from the name) | before 3.7.40 | CNA record |
References
- https://wpscan.com/vulnerability/6677b55c-5d51-4849-ac67-849a500aefe2/exploit, vdb-entry, technical-description
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.