Vulnerability · Published Aug 29, 2026 · Assigned by WPScan
CVE-2026-81200MasterStudy LMS < 3.7.42 - Instructor+ Cross-Tenant Order Billing PII Disclosure via IDOR
Low 2.7
In plain English
A low-severity authorization bypass via user-controlled key in MasterStudy LMS WordPress Plugin from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 23% of all known vulnerabilities).
Severity (CVSS 3.1)2.7Low
Exploit odds (30 days)0.3%top 77.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.42 does not correctly restrict access to order information, allowing any user with the instructor role to read other users' order billing details, including name, email address, phone number and postal address, by enumerating order IDs.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | MasterStudy LMS WordPress Plugin | 0 – before 3.7.42 |
Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
References
- https://wpscan.com/vulnerability/1a4db76f-7043-4f9e-a584-17151d008ab1/ exploit, vdb-entry, technical-description