CVE-2023-51471 HIGH

CVE-2023-51471: WordPress Checkout Mestres WP plugin <= 7.1.9.7 - Unauthenticated Arbitrary Options Update vulnerability

Vendor Mestres Do Wp
Product Checkout Mestres WP
Weakness CWE-287 · Improper authentication
Published April 24, 2024
Last update April 28, 2026

CVSS base score

8.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Improper Authentication vulnerability in Mestres do WP Checkout Mestres WP allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Checkout Mestres WP: from n/a through 7.1.9.7.

Explanation of Vulnerability in Simple Terms

02Summary

Checkout Mestres WP versions up to 7.1.9.7 contain an authentication bypass vulnerability. An attacker can bypass authentication checks without valid credentials, potentially modifying checkout data or disrupting transactions. The vulnerability requires no user interaction and is remotely exploitable. Site owners should update immediately to a patched version.

What an attacker can do

03Attacker Capabilities

Bypass authentication and modify checkout data or disrupt transactions without valid credentials.

Potential impact on your site

04Site Impact

Attackers can tamper with orders, payment processing, or customer data without logging in.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

April 24, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE