CVE-2022-44595 in WP 2FA Plugin
Summary
by MITRE • 03/21/2024
Improper Authentication vulnerability in Melapress WP 2FA allows Authentication Bypass.This issue affects WP 2FA: from n/a through 2.2.0.
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Analysis
by VulDB Data Team • 03/19/2025
The CVE-2022-44595 vulnerability represents a critical improper authentication flaw within the Melapress WP 2FA plugin, specifically impacting versions ranging from an unknown initial state through version 2.2.0. This vulnerability fundamentally undermines the security posture of WordPress installations that rely on the plugin for two-factor authentication, creating a scenario where unauthorized parties can bypass the intended authentication mechanisms. The flaw exists at the core authentication layer, where the system fails to properly validate user credentials or session states, allowing malicious actors to gain access without proper verification. This issue directly violates the principle of least privilege and authentication integrity that forms the foundation of secure web applications.
The technical implementation of this vulnerability stems from inadequate input validation and authentication flow control within the plugin's codebase. Attackers can exploit this weakness by manipulating authentication parameters or bypassing the two-factor verification process entirely. The vulnerability likely manifests through improper handling of session tokens, authentication cookies, or API endpoint validation that does not adequately verify user legitimacy. According to CWE classification, this vulnerability maps to CWE-287 which addresses improper authentication, a category that encompasses various flaws in authentication mechanisms that allow unauthorized access. The attack vector typically involves crafting specific requests that circumvent the normal authentication sequence, potentially through parameter manipulation or by exploiting logic flaws in the authentication routine.
The operational impact of this vulnerability extends beyond simple unauthorized access, creating a comprehensive security breach that can lead to complete system compromise. When exploited, this vulnerability allows attackers to bypass the two-factor authentication protection that users rely upon for enhanced security, effectively nullifying the additional security layer that the plugin was designed to provide. The consequences include potential data breaches, unauthorized administrative access, content manipulation, and the ability to install malicious plugins or modify existing configurations. This vulnerability particularly affects WordPress environments where the plugin is deployed, as it undermines the entire security framework that administrators have implemented through multi-factor authentication. The risk is compounded when considering that many organizations rely on such plugins to protect sensitive data and administrative functions, making this vulnerability a prime target for exploitation.
Mitigation strategies for CVE-2022-44595 require immediate action including updating to the latest version of the Melapress WP 2FA plugin where the vulnerability has been patched. Organizations should also implement additional security measures such as monitoring authentication logs for suspicious activities, implementing rate limiting on authentication endpoints, and conducting thorough security audits of all installed plugins. The remediation process should include verifying that no unauthorized access has occurred and resetting credentials for all users who may have been affected. Security teams should also consider implementing network-level protections such as web application firewalls to detect and block exploitation attempts. According to ATT&CK framework, this vulnerability maps to T1078 which covers valid accounts and T1133 which covers external remote services, indicating that exploitation may involve techniques for maintaining access and establishing persistence within the compromised environment. Organizations should also review their incident response procedures to ensure they can effectively detect and respond to such authentication bypass attacks.