WooCommerce Payments 4.8.0 - 5.6.1 Authentication Bypass and Privilege Escalation

9.8
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

Description

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 135,116 attacks targeting this vulnerability in the past 24 hours.

Learn more about Authentication Bypass vulnerabilities and how to prevent them.

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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

Recent vulnerabilities in WooPayments: Integrated WooCommerce Payments

# Title CVE ID CVSS Researchers Date
1 WooPayments <= 10.5.1 - Missing Authorization to Unauthenticated Plugin Settings Update via save_upe_appearance_ajax CVE-2026-1710 6.5 Dmitrii Ignatyev March 30, 2026
2 WooPayments – Fully Integrated Solution Built and Supported by Woo <= 6.6.2 - Unauthenticated Insecure Direct Object Reference CVE-2023-51503 5.3 Rafie Muhammad December 27, 2023
3 WooCommerce Payments <= 6.4.2 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2023-49828 6.4 Rafie Muhammad December 5, 2023
4 WooCommerce Payments <= 5.9.0 - Authenticated (Shop manager+) SQL Injection via currency parameters CVE-2023-35915 6.6 Rafie Muhammad June 20, 2023
5 WooCommerce Payments <= 5.9.0 - Missing Authorization via redirect_pay_for_order_to_update_payment_method CVE-2023-35916 6.5 Rafie Muhammad June 19, 2023
6 WooCommerce Payments <= 4.5.0 - Payment Bypass 5.3 August 9, 2022

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