CVE-2022-4328

CRITICALNVD 9.89.8—Weaponized

9.8

The WooCommerce Checkout Field Manager WordPress plugin before 18.0 does not validate files to be uploaded, which could allow unauthenticated attackers to upload arbitrary files such as PHP on the server

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 98.7%
KEV: Not listed

Published

March 6, 2023

Last Modified

March 4, 2025

Advisory Details (1)

Auto-updated May 29, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic🟡 PoC Available

WooCommerce Checkout Field Manager < 18.0 – Unauthenticated Arbitrary File Upload | CVE 2022-4328 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/4dc72cd2-81d7-4a66-86bd-c9cfaf690eed

Weakness Classification(1)

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

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 7× 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.

2026-06-05 06:09 UTCepss_batch
2026-06-05 06:09 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 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 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-25 05:45 UTCEG score recompute
2026-05-25 05:45 UTCGHSA enrichment
2026-05-23 20:05 UTCOSV refresh

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2022/CVE-2022-4328.yaml
First seen Jan 1, 2022
WooCommerce Checkout Field Manager < 18.0 - Arbitrary File Upload
Open source ↗

Frequently asked(5)

What is CVE-2022-4328?

CVE-2022-4328 is a critical vulnerability published on March 6, 2023. The WooCommerce Checkout Field Manager WordPress plugin before 18.0 does not validate files to be uploaded, which could allow unauthenticated attackers to upload arbitrary files such as PHP on the server

When was CVE-2022-4328 disclosed?

CVE-2022-4328 was first published in the National Vulnerability Database on March 6, 2023, with the most recent update on March 4, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-4328 actively exploited?

CVE-2022-4328 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.7% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-4328?

CVE-2022-4328 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-4328?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-4328, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-4328

Explore →

Is Your Infrastructure Affected by CVE-2022-4328?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2022-4328

📅 Published

🔄 Last Modified

📋 Advisory Details (1)