CVE-2023-4947 MEDIUM

CVE-2023-4947: WooCommerce EAN Payment Gateway < 6.1.0 - Missing Authorization to Authenticated (Contributor+) EAN Update

Vendor Yan&Co
Product WooCommerce EAN Payment Gateway
Weakness CWE-862 · Missing authorization
Published October 20, 2023
Last update April 8, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The WooCommerce EAN Payment Gateway plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the refresh_order_ean_data AJAX action in versions up to 6.1.0. This makes it possible for authenticated attackers with contributor-level access and above, to update EAN numbers for orders.

Explanation of Vulnerability in Simple Terms

02Summary

The WooCommerce EAN Payment Gateway plugin before version 6.1.0 lacks proper authorization checks on certain functions. A logged-in user with low privileges can modify payment gateway settings or data without proper permission verification. This allows unauthorized changes to payment configuration that could affect transaction processing or site functionality.

What an attacker can do

03Attacker Capabilities

Modify payment gateway settings or data without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users could alter payment gateway configuration, potentially disrupting transactions or exposing payment data.

Conditions required to exploit

05Prerequisites

Attacker must be logged in with a low-privilege account (e.g., subscriber or customer).

Key dates

06Disclosure timeline

October 20, 2023 CVE published
April 8, 2026 Record updated

Related vulnerabilities

08Related CVE