CVE-2023-51469 CRITICAL

CVE-2023-51469: WordPress Checkout Mestres WP Plugin <= 7.1.9.6 is vulnerable to SQL Injection

Vendor Mestres Do Wp
Product Checkout Mestres WP
Weakness CWE-89 · SQLi
Published December 31, 2023
Last update April 28, 2026

CVSS base score

9.3/10
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:C/C:H/I:N/A:L

What the vulnerability does

01Description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Mestres do WP Checkout Mestres WP.This issue affects Checkout Mestres WP: from n/a through 7.1.9.6.

Explanation of Vulnerability in Simple Terms

02Summary

Checkout Mestres WP versions up to 7.1.9.6 contain a SQL injection vulnerability in an unauthenticated, network-accessible component. An attacker can craft malicious input to read or modify database contents without needing to log in or interact with a site administrator. The vulnerability affects the database layer and can also cause service disruption.

What an attacker can do

03Attacker Capabilities

Read or modify database records, including customer data and site configuration, without authentication.

Potential impact on your site

04Site Impact

Customer data, orders, and site configuration may be exposed or altered by remote attackers.

Conditions required to exploit

05Prerequisites

Network access to the site; no login or user interaction required.

Key dates

06Disclosure timeline

December 31, 2023 CVE published
April 28, 2026 Record updated