CVE-2026-32578 in ECPay Ecommerce Plugin
Summary
by MITRE • 10/06/2026
Subscriber Broken Access Control in ECPay Ecommerce for WooCommerce <= 1.1.2606090 versions.
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Analysis
by VulDB Data Team • 10/06/2026
The vulnerability identified as a broken access control issue within the ECPay Ecommerce for WooCommerce plugin, specifically affecting versions up to and including 1.1.2606090, represents a critical security flaw that undermines the fundamental principle of least privilege in web application architecture. This type of vulnerability typically arises when an application fails to properly enforce restrictions on authenticated users regarding what resources or functions they can access. In the context of this specific plugin, which facilitates payment processing for WooCommerce stores, such a defect allows unauthorized actors to interact with administrative features or sensitive data intended only for store administrators or system processes. The core technical flaw lies in the insufficient server-side validation of user roles and capabilities during API calls or form submissions related to transaction management, order status updates, or configuration settings. Without rigorous checks ensuring that the requesting entity possesses the necessary permissions, the application inadvertently exposes internal logic paths to any authenticated user with even minimal privileges, such as a standard customer account holder.
From an operational perspective, this vulnerability enables attackers to perform actions beyond their authorized scope, potentially leading to significant financial and reputational damage for e-commerce businesses utilizing the affected software. An attacker could manipulate order statuses, alter payment gateway configurations, or access sensitive transactional data that should remain confidential. This capability effectively bypasses the intended security boundaries of the WordPress ecosystem, where role-based access control is a primary defense mechanism against unauthorized modifications. The impact extends beyond simple data exposure; it allows for potential manipulation of business logic, such as marking unpaid orders as paid to facilitate fraud or altering shipping and billing information associated with customer accounts. Such actions compromise the integrity of the e-commerce platform's transactional records and erode trust among consumers who rely on these platforms for secure shopping experiences.
This vulnerability aligns closely with CWE-269, which classifies Improper Privilege Control, indicating that the software does not properly assign privileges to actors based on their intended roles. Furthermore, it maps directly to MITRE ATT&CK technique T1078, specifically Valid Accounts, where adversaries use legitimate credentials to gain access and then escalate privileges or perform unauthorized actions due to poor access control enforcement within the application layer. The exploitation of this flaw does not necessarily require complex injection techniques but rather relies on crafting specific HTTP requests that exploit the lack of authorization checks in the plugin's endpoints. This simplicity makes it particularly dangerous as automated scanning tools can easily detect and exploit such misconfigurations, leading to widespread compromise across sites running vulnerable versions of the plugin.
Mitigation strategies must prioritize immediate remediation through software updates or configuration changes if an update is not yet available. Administrators should upgrade ECPay Ecommerce for WooCommerce to a version later than 1.1.2606090, where the developers have presumably implemented stricter role verification and input validation mechanisms. In environments where upgrading is temporarily unfeasible, implementing Web Application Firewall rules can help block suspicious requests that attempt to access administrative endpoints without proper authorization headers or cookies. Additionally, enforcing strict password policies and multi-factor authentication for all user accounts reduces the likelihood of credential theft, which often precedes such privilege escalation attacks. Regular security audits focusing on role-based access control implementations are essential to ensure that future development cycles adhere to secure coding standards and prevent similar vulnerabilities from being introduced into the application logic.