CVE-2023-47645 in Custom Registration Forms Plugin
Summary
by MITRE • 11/30/2023
Cross-Site Request Forgery (CSRF) vulnerability in RegistrationMagic RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login allows Cross Site Request Forgery.This issue affects RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login: from n/a through 5.2.2.6.
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Analysis
by VulDB Data Team • 12/20/2023
This cross-site request forgery vulnerability exists within the RegistrationMagic WordPress plugin, which is designed for custom registration forms user registration payment processing and user login functionality. The flaw allows authenticated users to be tricked into performing unintended actions on the target website without their knowledge or consent. The vulnerability specifically impacts versions ranging from n/a through 5.2.2.6 making it a widespread concern for WordPress administrators who have not updated their installations. The issue stems from the plugin's failure to implement proper anti-CSRF measures in its form processing mechanisms, creating an exploitable gap in the web application's security controls.
The technical implementation of this CSRF vulnerability occurs when legitimate users interact with maliciously crafted web pages or links that trigger unauthorized actions within the RegistrationMagic plugin context. Attackers can construct specially crafted requests that appear to originate from authenticated users, leveraging the trust relationship between the web application and its users. This flaw falls under CWE-352, which specifically addresses cross-site request forgery vulnerabilities in web applications. The vulnerability allows attackers to perform actions such as creating new user accounts modifying existing registrations or processing unauthorized payments, depending on the permissions of the compromised user account. The attack typically requires minimal user interaction since the malicious request is executed automatically when the user visits the compromised page or clicks on a malicious link.
The operational impact of this vulnerability extends beyond simple unauthorized actions as it can lead to significant security breaches and data integrity issues. Attackers can exploit this weakness to gain unauthorized access to user accounts, manipulate registration data, or potentially compromise payment processing functionality within the plugin. The vulnerability creates an attack surface that can be leveraged for account takeover scenarios, data exfiltration, or service disruption. Organizations using this plugin without proper mitigations face risks of unauthorized modifications to user databases, fraudulent transactions, or complete compromise of the registration and authentication system. The vulnerability is particularly concerning in environments where users have elevated privileges or where payment processing is involved, as it could enable financial fraud or unauthorized access to sensitive user information.
Mitigation strategies for this CSRF vulnerability should prioritize immediate plugin updates to versions that address the identified security flaw. Administrators must ensure that all installations are updated to the latest stable release of RegistrationMagic that includes proper CSRF protection mechanisms. The implementation of anti-CSRF tokens within all form submissions and API endpoints provides the most effective defense against this attack vector. Security measures should include validating the referer header, implementing proper session management, and ensuring that all state-changing operations require explicit user confirmation through unique tokens. Organizations should also consider implementing web application firewalls that can detect and block suspicious request patterns, while monitoring for unauthorized access attempts. Regular security audits and vulnerability assessments should be conducted to identify similar issues in other plugins or custom web applications, with adherence to the principle of least privilege ensuring that users only have access to functionality necessary for their roles. This vulnerability demonstrates the critical importance of maintaining up-to-date security controls and implementing robust authentication mechanisms as outlined in the ATT&CK framework's web application security categories.