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TI-2026-56084 Aliases CVE-2026-81196GHSA-7j6v-48vm-cmrx

MasterStudy LMS < 3.7.46 - Instructor+ Quiz Answer 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 3.7.46 does not properly verify ownership of quiz question identifiers, allowing users with instructor access to read other instructors' quiz questions, including the correct answers and explanations.

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): 3.7.46

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 Pluginbefore 3.7.463.7.46Patch availableCNA
  • MasterStudy LMS WordPress Plugin VendorUnknown Affected before 3.7.46 Fixed in 3.7.46 Patch available CNA

Remediation

  • Fix · CNA MasterStudy LMS WordPress Plugin (Unknown) Fixed in 3.7.46

Fixed in the same release

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

  • Release ·

    MasterStudy LMS WordPress Plugin 3.7.46

    6 records Highest priority Priority LOW 6 LOW

    Other records, highest priority first

    • TI-2026-56087 MasterStudy LMS < 3.7.46 - Unauthenticated Student Statistics Disclosure via student/stats REST RoutePriority LOW 31
    • TI-2026-56085 MasterStudy LMS < 3.7.46 - Unauthenticated Unpublished Course Title Disclosure via course-list REST RoutePriority LOW 30
    • TI-2026-56083 MasterStudy LMS < 3.7.46 - Unauthenticated Student Enrollment Disclosure via student-courses REST RoutePriority LOW 30
    Show all 6 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-81196
  2. 2026-10-03 Alias added: GHSA-7j6v-48vm-cmrx

References

Exploit 1

Sources

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