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Fencer Vulns
critical 9.8

CVE-2023-28121 in the critical feed json

An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on beh…

published 2023-04-12 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31832

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
87.4%
EPSS 87.4% chance of exploitation in 30 days, percentile 99.7%
public exploits
1
Metasploit, plus a Nuclei check

Summary

An issue in WooCommerce Payments plugin for WordPress (versions 5.6.1 and lower) allows an unauthenticated attacker to send requests on behalf of an elevated user, like administrator. This allows a remote, unauthenticated attacker to gain admin access on a site that has the affected version of the plugin activated.

Patch / fix

  • automattic woocommerce_payments 4.8.2, 5.0.4, 5.1.3, 5.2.2, 5.5.2
  • automattic woopayments 5.6.2

Timeline

  1. First public exploit (Metasploit auxiliary/scanner/http/wp_woocommerce_payments_add_user)
  2. Published

Exploit prediction

87.45% chance of exploitation in the next 30 days, higher than 99.7% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 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

  • n/a WooCommerce Payments WordPress Plugin

Classification

Weakness
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.