CVE-2026-81200MasterStudy LMS < 3.7.42 - Instructor+ Cross-Tenant Order Billing PII Disclosure via IDOR
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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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.
- CVSS
- 2.7 LOW (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- Weakness (CWE)
- CWE-639
- 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 3.7.42 | CNA record |
References
- https://wpscan.com/vulnerability/1a4db76f-7043-4f9e-a584-17151d008ab1/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.