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MasterStudy LMS WordPress Plugin – for Online Courses and Education < 3.7.46 — Authenticated (Subscriber+) Insecure Direct Object Reference

CVE-2026-81194Published · Updated

Action summary

Affected: <3.7.46Update to 3.7.46 or newer

All remediation steps
Severity
Medium4.3
CVSS
4.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:L Privileges required
Low
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-639 Authorization Bypass Through User-Controlled Key
Required access
Unknown
Exploit prediction (EPSS)
No score
CISA KEV
Not listed

Am I affected?

MasterStudy LMS WordPress Plugin – for Online Courses and Education masterstudy-lms-learning-management-system

  1. Affected< 3.7.46
  2. Patched in3.7.46

Update to 3.7.46 or newer.

You are affected if you run < 3.7.46. Version 3.7.46 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under MasterStudy LMS WordPress Plugin – for Online Courses and Education.
  • No admin access? Run a passive check of your site. It reads public files only.

What to do

  1. Update to version 3.7.46, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch MasterStudy LMS WordPress Plugin – for Online Courses and Education to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Abdullah Kareem.

The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to 3.7.46. This is due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with subscriber-level access and above, to perform an unauthorized action.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in MasterStudy LMS WordPress Plugin – for Online Courses and Education

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More vulnerabilities in MasterStudy LMS WordPress Plugin – for Online Courses and Education
SeverityVulnerabilityCVEPublished
Medium5.4Authenticated (Subscriber+) Arbitrary Shortcode Exeuction
≤3.7.56Update to 3.7.57
CVE-2026-119478
High7.5Authenticated (Subscriber+) PHP Object Injection
≤3.7.55Update to 3.7.56
CVE-2026-118090
Medium4.3Missing Authorization
≤3.7.55Update to 3.7.56
CVE-2026-118092
Medium4.3Missing Authorization
≤3.7.49Update to 3.7.50
CVE-2026-80069
Medium4.3Authenticated (Custom+) Path Traversal
≤3.7.49Update to 3.7.50
CVE-2026-80067

Timeline

  1. CVE published

    Severity medium, CVSS 4.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. [object Object] Licensed under the CC BY-SA 4.0.
CVE® identifiers
[object Object]. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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