CVE-2022-0441

CRITICALNVD 9.89.8—Weaponized

9.8

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)
EPSS: 99.2%
KEV: Not listed

Published

March 7, 2022

Last Modified

November 21, 2024

References (4)

contact@wpscanhttps://plugins.trac.wordpress.org/changeset/2667195
contact@wpscanhttps://wpscan.com/vulnerability/173c2efe-ee9c-4539-852f-c242b4f728ed
af854a3a-2127-422b-91ae-364da2661108https://plugins.trac.wordpress.org/changeset/2667195
af854a3a-2127-422b-91ae-364da2661108https://wpscan.com/vulnerability/173c2efe-ee9c-4539-852f-c242b4f728ed

Weakness Classification(1)

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

CWE-269Improper Privilege Management

Data Freshness Timeline

(refreshed 12× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:46 UTCepss_batch
2026-06-06 13:46 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 22:45 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:10 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 02:07 UTCEG score recompute
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 ↗

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 99.2% 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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CVE-2022-0441

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-0441?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)