MasterStudy LMS WordPress Plugin – for Online Courses and Education <= 3.3.8 — Missing Authorization
CVE-2024-3942Published · Updated Action summary
Affected: ≤3.3.8Update to 3.3.9 or newer
All remediation steps- Severity
- Medium6.3
- CVSS
- 6.3CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:LWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:LPrivileges required- Low
UI:NUser interaction- None
S:UScope- Unchanged
C:LConfidentiality- Low
I:LIntegrity- Low
A:LAvailability- Low
- Weakness
- CWE-862 Missing Authorization
- Required access
- Unknown
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
MasterStudy LMS WordPress Plugin – for Online Courses and Education masterstudy-lms-learning-management-system
- Affected≤ 3.3.8
- Patched in3.3.9
Update to 3.3.9 or newer.
You are affected if you run ≤ 3.3.8. Version 3.3.9 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
- Update to version 3.3.9, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- 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 Lucio Sá.
The MasterStudy LMS WordPress Plugin – for Online Courses and Education plugin for WordPress is vulnerable to unauthorized access, modification, and loss of data due to a missing capability check on several functions in versions up to, and including, 3.3.8. This makes it possible for authenticated attackers, with subscriber level permissions and above, to read and modify content such as course questions, post titles, and taxonomies.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in MasterStudy LMS WordPress Plugin – for Online Courses and Education
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| Medium5.4 | Authenticated (Subscriber+) Arbitrary Shortcode Exeuction ≤3.7.56Update to 3.7.57 | CVE-2026-119478 | |
| High7.5 | Authenticated (Subscriber+) PHP Object Injection ≤3.7.55Update to 3.7.56 | CVE-2026-118090 | |
| Medium4.3 | Missing Authorization ≤3.7.55Update to 3.7.56 | CVE-2026-118092 | |
| Medium4.3 | Missing Authorization ≤3.7.49Update to 3.7.50 | CVE-2026-80069 | |
| Medium4.3 | Authenticated (Custom+) Path Traversal ≤3.7.49Update to 3.7.50 | CVE-2026-80067 |
- Medium5.4Authenticated (Subscriber+) Arbitrary Shortcode Exeuction
≤3.7.56Update to 3.7.57
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- Medium4.3Authenticated (Custom+) Path Traversal
≤3.7.49Update to 3.7.50
Same weakness (Missing Authorization)
All Missing Authorization| Severity | Vulnerability | CVE | Published |
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| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
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Timeline
CVE published
Severity medium, CVSS 6.3
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.