WooCommerce Payments 4.8.0 - 5.6.1 Authentication Bypass and Privilege Escalation

Authentication Bypass Using an Alternate Path or Channel
CVE CVE-2023-28121
CVSS 9.8 (Critical)
Publicly Published March 23, 2023
Last Updated January 22, 2024
Researcher mikemyers


The WooCommerce Payments plugin is vulnerable to authentication bypass via the determine_current_user_for_platform_checkout function. This allows unauthenticated attackers to impersonate arbitrary users and perform some actions as the impersonated user, which can lead to site takeover.

Wordfence blocked 924,869 attacks targeting this vulnerability in the past 24 hours.



Vulnerability Details for WooPayments: Integrated WooCommerce Payments

Software Type Plugin
Software Slug woocommerce-payments (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.6.2, or a newer patched version
Affected Version
  • 4.8.0 - 5.6.1
Patched Version
  • 5.6.2

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