CVE-2026-57408 in Peach Payments Gateway Plugin
Summary
by MITRE • 07/13/2026
Missing Authorization vulnerability in peachpayments Peach Payments Gateway wc-peach-payments-gateway allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Peach Payments Gateway: from n/a through <= 4.0.2.
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Analysis
by VulDB Data Team • 07/13/2026
This vulnerability represents a critical missing authorization flaw within the peachpayments Peach Payments Gateway plugin for WooCommerce, specifically affecting versions up to and including 4.0.2. The security weakness stems from incorrectly configured access control security levels that allow unauthorized users to exploit functionalities they should not have access to. This type of vulnerability falls under CWE-285, which addresses improper authorization issues in software systems, making it a fundamental access control failure that undermines the security posture of affected installations.
The technical implementation of this flaw manifests through inadequate validation of user permissions within the payment gateway plugin's administrative interfaces and processing functions. Attackers can exploit this misconfiguration to gain unauthorized access to sensitive payment processing capabilities, customer data, or administrative controls without proper authentication. The vulnerability essentially allows malicious actors to bypass normal authorization checks that should prevent unauthorized modifications or access to payment-related configurations and transaction processing features.
From an operational impact perspective, this missing authorization vulnerability creates substantial risk for e-commerce platforms utilizing the affected peachpayments plugin. Compromised systems may experience unauthorized payment processing, data exfiltration, modification of payment gateway settings, or complete administrative control over payment transactions. The attack surface extends to any user who can interact with the vulnerable plugin interface, potentially including customers, employees, or even external attackers who have gained some level of access to the WordPress installation. This vulnerability directly aligns with ATT&CK technique T1078 which covers legitimate credentials use for persistence and privilege escalation.
Organizations should immediately implement mitigations including updating to the latest version of the peachpayments plugin where the authorization flaw has been addressed, conducting thorough access control reviews of all payment processing interfaces, and implementing network segmentation to limit exposure. Additionally, security teams should perform comprehensive audits of all WooCommerce plugins for similar authorization issues, establish proper logging and monitoring of administrative activities, and review user permission assignments to ensure principle of least privilege is maintained across payment processing systems. The vulnerability demonstrates the critical importance of proper access control implementation in payment processing systems and highlights the need for regular security assessments of e-commerce platforms to identify and remediate such configuration-based security weaknesses.