Authentication Bypass in miniOrange 2FA WordPress Plugin

Executive Summary

The miniOrange 2FA WordPress plugin before version 6.2.6 has a flaw where it does not properly validate the one-time password (OTP) submitted during login. Instead of checking the OTP against the user's stored secret, it verifies it against a value provided by the attacker. This allows an unauthenticated attacker who knows the victim's password to bypass two-factor authentication and gain unauthorized access to the victim's account, including administrator accounts.

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Detection Guidance

This vulnerability cannot be detected through network or system commands as it is specific to the miniOrange 2FA WordPress plugin. The issue is in the plugin's authentication logic, not the underlying system. Check the plugin version installed on your WordPress site to determine if it is vulnerable.

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Impact Analysis

If you use the affected miniOrange 2FA plugin version, an attacker could bypass two-factor authentication and gain access to your WordPress account by knowing only your password. This could lead to unauthorized control of your website, data theft, or further attacks on your system.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, which may violate compliance requirements under GDPR (data protection) or HIPAA (health information privacy). Organizations using the affected plugin may face legal and regulatory penalties due to insufficient authentication controls.

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Mitigation Strategies

Update the miniOrange 2FA WordPress plugin to version 6.2.6 or later to address the authentication bypass issue.

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