CVE-2022-0441

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-03-08. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 85%
CISA-KEV: Not listedEPSS: 85%CVSS: 9.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
83(Track*)
EG Risk 83/100SSVC: Track*

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation85% × 40%
Automatability30% × 15%
Action: Watch closely — could escalate to Attend.
EPSS
99.7%
KEV
Not listed

Published

March 7, 2022

Last Modified

November 21, 2024

Advisory Details (1)

Auto-updated Jun 29, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

MasterStudy LMS < 2.7.6 – Unauthenticated Admin Account Creation | CVE 2022-0441 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/173c2efe-ee9c-4539-852f-c242b4f728ed

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 23× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-24 14:15 UTCEPSS rescore
  2. 2026-07-24 14:15 UTCEPSS rescore
  3. 2026-07-23 02:06 UTCEG score recompute
  4. 2026-07-22 22:53 UTCEG score recompute
  5. 2026-07-22 14:06 UTCEPSS rescore
  6. 2026-07-20 17:05 UTCEPSS rescore
  7. 2026-07-16 17:00 UTCEPSS rescore
  8. 2026-07-16 17:00 UTCEPSS rescore
  9. 2026-07-13 22:27 UTCEPSS rescore
  10. 2026-07-13 06:11 UTCEPSS rescore
  11. 2026-07-13 06:11 UTCEPSS rescore
  12. 2026-07-09 19:07 UTCEPSS rescore
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  14. 2026-07-07 13:43 UTCEPSS rescore
  15. 2026-07-06 16:25 UTCEPSS rescore
  16. 2026-07-06 16:25 UTCEPSS rescore
  17. 2026-07-06 02:21 UTCEPSS rescore
  18. 2026-07-06 02:21 UTCEPSS rescore
  19. 2026-07-04 06:29 UTCEPSS rescore
  20. 2026-07-04 06:29 UTCEPSS rescore
  21. 2026-07-01 15:04 UTCEPSS rescore
  22. 2026-06-25 13:48 UTCEPSS rescore
  23. 2026-06-25 13:48 UTCEPSS rescore
  24. 2026-06-23 21:31 UTCEPSS rescore
  25. 2026-06-23 21:31 UTCEPSS rescore
Show 29 more
  1. 2026-06-19 19:24 UTCEPSS rescore
  2. 2026-06-19 19:24 UTCEPSS rescore
  3. 2026-06-15 17:46 UTCEPSS rescore
  4. 2026-06-12 23:10 UTCEPSS rescore
  5. 2026-06-11 13:58 UTCEPSS rescore
  6. 2026-06-10 22:16 UTCEPSS rescore
  7. 2026-06-08 14:15 UTCEPSS rescore
  8. 2026-06-08 14:15 UTCEPSS rescore
  9. 2026-06-08 14:15 UTCEPSS rescore
  10. 2026-06-07 15:23 UTCEPSS rescore
  11. 2026-06-07 15:23 UTCEPSS rescore
  12. 2026-06-06 13:46 UTCEPSS rescore
  13. 2026-06-06 13:46 UTCEPSS rescore
  14. 2026-06-05 22:45 UTCEPSS rescore
  15. 2026-06-05 22:45 UTCEPSS rescore
  16. 2026-06-05 06:09 UTCEPSS rescore
  17. 2026-06-05 06:09 UTCEPSS rescore
  18. 2026-06-04 13:11 UTCEPSS rescore
  19. 2026-06-04 13:10 UTCEPSS rescore
  20. 2026-06-02 20:11 UTCEPSS rescore
  21. 2026-06-02 20:11 UTCEPSS rescore
  22. 2026-05-31 00:15 UTCEPSS rescore
  23. 2026-05-31 00:15 UTCEPSS rescore
  24. 2026-05-28 13:43 UTCEPSS rescore
  25. 2026-05-28 13:43 UTCEPSS rescore
  26. 2026-05-27 13:39 UTCEPSS rescore
  27. 2026-05-27 13:39 UTCEPSS rescore
  28. 2026-05-26 02:07 UTCEG score recompute
  29. 2026-05-26 02:07 UTCGHSA enrichment

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (1 GitHub PoC) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCbiulove0x/CVE-2022-0441
    First seen May 6, 2022

    WordPress Plugin MasterStudy LMS 2.7.5 - Unauthenticated Admin Account Creation

    Open source ↗
  • Exploit-DBEDB-50752
    First seen Feb 18, 2022

    WordPress Plugin MasterStudy LMS 2.7.5 - Unauthenticated Admin Account Creation

    Open source ↗
  • Metasploitauxiliary/admin/http/wp_masterstudy_privesc✓ verified
    First seen Feb 18, 2022

    Wordpress MasterStudy Admin Account Creation

    Open source ↗
  • Nucleihttp/cves/2022/CVE-2022-0441.yaml
    First seen Jan 1, 2022

    MasterStudy LMS <2.7.6 - Improper Access Control

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2022-0441?
CVE-2022-0441 is a critical vulnerability published on March 7, 2022. 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
When was CVE-2022-0441 disclosed?
CVE-2022-0441 was first published in the National Vulnerability Database on March 7, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2022-0441 actively exploited?
CVE-2022-0441 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2022-0441?
CVE-2022-0441 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2022-0441?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-0441, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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