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Fencer Vulns
critical 9.8

CVE-2022-4328 json

WooCommerce Checkout Field Manager < 18.0 - Unauthenticated Arbitrary File Upload

published 2023-03-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-51681

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
4.4%
EPSS 4.4% chance of exploitation in 30 days, percentile 91%
public exploits
0
none known, plus a Nuclei check

Summary

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

Patch / fix

  • Unknown WooCommerce Checkout Field Manager 18.0

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
20 mo ago

Exploit prediction

4.43% chance of exploitation in the next 30 days, higher than 91% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template WooCommerce Checkout Field Manager < 18.0 - Arbitrary File Upload nuclei detection template
  • wpscan.com https://wpscan.com/vulnerability/4dc72cd2-81d7-4a66-86bd-c9cfaf690eed referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • Unknown WooCommerce Checkout Field Manager

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.