Unauthenticated Broken Authentication in CorvusPay WooCommerce Payment Gateway

Executive Summary

The CorvusPay WooCommerce Payment Gateway Plugin versions 2.7.4 and below contain a Broken Authentication vulnerability (CVE-2026-56029). This flaw allows unauthenticated attackers to perform actions that are normally restricted to users with higher privileges, potentially enabling them to gain administrative access.

This vulnerability is classified under the OWASP Top 10 category A7: Identification and Authentication Failures.

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Impact Analysis

An attacker exploiting this vulnerability can gain unauthorized administrative access to the affected WooCommerce payment gateway plugin. This could allow them to manipulate payment processes, access sensitive data, or perform other malicious actions within the system.

The vulnerability has a CVSS severity score of 7.5, indicating a high impact on the integrity of the system, though it does not affect confidentiality or availability.

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Compliance Impact

The vulnerability in CorvusPay WooCommerce Payment Gateway Plugin allows unauthenticated attackers to perform actions typically restricted to higher-privileged users, potentially gaining admin access. This broken authentication issue falls under the OWASP Top 10 category A7: Identification and Authentication Failures.

Such unauthorized access can lead to improper handling or exposure of sensitive data, which may impact compliance with standards and regulations like GDPR and HIPAA that require strict access controls and protection of personal and health information.

Therefore, if exploited, this vulnerability could compromise the confidentiality and integrity of data, potentially resulting in non-compliance with these regulations.

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Mitigation Strategies

The vulnerability affects CorvusPay WooCommerce Payment Gateway Plugin versions 2.7.4 and below.

To mitigate this vulnerability, immediately update the plugin to version 2.7.5 or later where the issue is patched.

Alternatively, seek assistance from your hosting provider or developer to apply the necessary fixes.

If you use Patchstack, enable auto-updates for vulnerable plugins to ensure timely patching.

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