CVE-2022-0441: MasterStudy LMS < 2.7.6 - Unauthenticated Admin Account Creation

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 85.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2022-03-07 · updated 2026-06-17
Weakness: CWE-269

Description

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

Affected products

MasterStudy LMS WordPress Plugin: before 2.7.6 — fixed in 2.7.6

How to fix

Upgrade to a fixed version: MasterStudy LMS WordPress Plugin 2.7.6. Check the vendor advisory for mitigations.

References

https://plugins.trac.wordpress.org/changeset/2667195
https://wpscan.com/vulnerability/173c2efe-ee9c-4539-852f-c242b4f728ed
https://plugins.trac.wordpress.org/changeset/2667195
https://wpscan.com/vulnerability/173c2efe-ee9c-4539-852f-c242b4f728ed

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