CVE-2023-35916 HIGH

CVE-2023-35916: WordPress WooCommerce Payments Plugin <= 5.9.0 is vulnerable to Insecure Direct Object References (IDOR)

Vendor Automattic
Product WooPayments – Fully Integrated Solution Built and Supported by Woo
Weakness CWE-639 · IDOR
Published December 20, 2023
Last update April 28, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

What the vulnerability does

01Description

Authorization Bypass Through User-Controlled Key vulnerability in Automattic WooPayments – Fully Integrated Solution Built and Supported by Woo.This issue affects WooPayments – Fully Integrated Solution Built and Supported by Woo: from n/a through 5.9.0.

Explanation of Vulnerability in Simple Terms

02Summary

WooPayments versions up to 5.9.0 expose sensitive payment and customer data to unauthenticated attackers over the network. The vulnerability allows direct access to confidential information without requiring user interaction or special conditions. No integrity or availability impact has been confirmed. Update to a version newer than 5.9.0 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Read sensitive payment and customer data without authentication.

Potential impact on your site

04Site Impact

Customer payment details and personal information may be exposed to unauthorized parties.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

December 20, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE