CVE-2026-82225 in RegistrationMagic Plugin
Summary
by MITRE • 09/01/2026
Unauthenticated Broken Authentication in RegistrationMagic <= 6.0.9.8 versions.
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Analysis
by VulDB Data Team • 09/01/2026
RegistrationMagic is a widely utilized WordPress plugin designed to facilitate the creation and management of custom forms, user registrations, and data collection processes on websites powered by the WordPress content management system. Versions up to and including 6.0.9.8 contain a critical security flaw classified as an unauthenticated broken authentication vulnerability. This specific weakness allows attackers to bypass intended access controls without needing valid credentials or prior interaction with the application's login mechanisms, fundamentally undermining the integrity of user identity verification processes within the plugin ecosystem.
The technical root cause of this vulnerability lies in how the plugin handles form submission and data validation during the registration process. Specifically, certain endpoints associated with creating new users or processing registration forms fail to adequately verify that the request originates from a legitimate session or possesses valid authentication tokens before executing sensitive operations such as user creation or profile modification. This oversight permits an unauthenticated remote attacker to craft malicious HTTP requests that exploit these insufficiently protected interfaces. By manipulating parameters related to form submissions, an adversary can inject arbitrary data into the system, effectively impersonating authorized users or creating unauthorized accounts without triggering standard security checks designed to prevent such actions.
From a classification perspective, this vulnerability aligns with CWE-287 Improper Authentication and CWE-306 Missing Authentication for Critical Function within the Common Weakness Enumeration framework. The failure to enforce authentication requirements on critical functions allows attackers to perform state-changing operations that should be restricted to authenticated users only. In terms of offensive security tactics, this flaw maps directly to MITRE ATT&CK technique T1199 Trusted Relationship Exploitation and potentially T1078 Valid Accounts if the attacker leverages the created accounts for further lateral movement or privilege escalation within the WordPress environment. The lack of proper session validation represents a significant deviation from secure coding practices recommended by OWASP, particularly regarding authentication bypasses in web applications.
The operational impact of this vulnerability is severe and multifaceted. Attackers can exploit it to create administrative user accounts with elevated privileges, thereby gaining full control over the WordPress installation. Once an attacker has admin-level access, they can install malicious plugins, modify website content, steal sensitive data stored within custom forms such as personally identifiable information or financial details, and use the compromised server for further attacks against other systems on the network. Additionally, since RegistrationMagic is often used to collect user data, this vulnerability exposes organizations to significant compliance risks under regulations like GDPR or CCPA due to potential unauthorized access to personal data. The ability to act without authentication means that automated scanning tools can easily discover and exploit these instances at scale, leading to widespread compromise of vulnerable sites across the internet.
Mitigation strategies must be implemented immediately to address this risk. The primary and most effective remediation is to upgrade RegistrationMagic to version 6.0.9.9 or later, where developers have patched the authentication bypass flaws by enforcing stricter validation checks on all registration endpoints. For organizations unable to update immediately due to compatibility constraints with other plugins or custom code modifications, temporary mitigations include restricting access to WordPress admin areas via IP whitelisting using web application firewalls and disabling any unused form features that expose vulnerable endpoints. It is also crucial to audit existing user accounts for signs of unauthorized creation, such as new administrators appearing without legitimate request logs, and to enforce strong password policies alongside two-factor authentication where possible to reduce the impact if an account is compromised. Regular security audits and penetration testing should be conducted to ensure no residual vulnerabilities remain in custom integrations with the plugin.