MasterStudy LMS < 2.7.6 — Unauthenticated Admin Account Creation
CVE-2022-0441Published · Updated Action summary
Affected: ≤2.7.5Update to 2.7.6 or newer
All remediation steps- Severity
- Critical9.8
- CVSS
- 9.8CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
- Weakness
- CWE-269 Privilege Escalation
- Required access
- No account needed
- 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≤ 2.7.5
- Patched in2.7.6
Update to 2.7.6 or newer.
You are affected if you run ≤ 2.7.5. Version 2.7.6 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.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 2.7.6, 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 Numan Türle.
The MasterStudy LMS WordPress plugin before 2.7.6 does to validate some parameters given when registering a new account, allowing unauthenticated users to register as an admin
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
- High7.5Authenticated (Subscriber+) PHP Object Injection
≤3.7.55Update to 3.7.56
- Medium4.3Missing Authorization
≤3.7.55Update to 3.7.56
- Medium4.3Missing Authorization
≤3.7.49Update to 3.7.50
- Medium4.3Authenticated (Custom+) Path Traversal
≤3.7.49Update to 3.7.50
Same weakness (Privilege Escalation)
All Privilege Escalation| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header | CVE-2026-120688 | |
| Critical9.8 | Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission | CVE-2026-125055 | |
| Critical9.8 | Unauthenticated PHP Object Injection to Remote Code Execution via 'form' Parameter | CVE-2026-119077 | |
| Medium5.3 | Unauthenticated Sensitive Information Exposure in 'search' Parameter | CVE-2026-121518 |
- High7.2Unauthenticated Stored Cross-Site Scripting via Comment User-Agent Header
EZ SQL Reports Shortcode Widget and DB Backup
≤5.25.25Update to 5.26.45
- Critical9.8Unauthenticated Arbitrary File Upload via File Upload via Public Form Submission
Chatterbug Forms – Fast, Flexible WordPress Form Builder
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ELEX WordPress HelpDesk & Customer Ticketing System
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Customer Reviews for WooCommerce
≤5.127.0Update to 5.128.0
Timeline
CVE published
Severity critical, CVSS 9.8
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.