Read the docs
TI-2026-60232 Aliases CVE-2026-88844GHSA-g869-5rh7-8rvf

MasterStudy LMS 3.6.2 - < 3.7.50 - Instructor+ Student PII Disclosure via IDOR

Priority LOW 13CWE-639Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-639.

Summary

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not verify that the requesting user owns the course before returning its enrolled-student data, allowing users with the MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50's Instructor role to disclose the names and email addresses of students enrolled in other instructors' courses.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00299 22nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed MasterStudy LMS WordPress Plugin (Unknown): 3.7.50

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownMasterStudy LMS WordPress Plugin3.6.2 to before 3.7.503.7.50Patch availableCNA
  • MasterStudy LMS WordPress Plugin VendorUnknown Affected 3.6.2 to before 3.7.50 Fixed in 3.7.50 Patch available CNA

Remediation

  • Fix · CNA MasterStudy LMS WordPress Plugin (Unknown) Fixed in 3.7.50

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    MasterStudy LMS WordPress Plugin 3.7.50

    2 records Highest priority Priority LOW 2 LOW

    Other records, highest priority first

    • TI-2026-56158 MasterStudy LMS < 3.7.50 - Instructor+ Order Status Manipulation via IDORPriority LOW 18
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-88844
  2. 2026-10-03 Alias added: GHSA-g869-5rh7-8rvf

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences