CVE-2023-49831 in RegistrationMagic Plugin
Summary
by MITRE • 12/09/2024
Missing Authorization vulnerability in Metagauss User Registration Forms RegistrationMagic allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects RegistrationMagic: from n/a through 5.2.3.0.
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Analysis
by VulDB Data Team • 12/09/2024
The vulnerability identified as CVE-2023-49831 represents a critical missing authorization flaw within the Metagauss User Registration Forms RegistrationMagic plugin, specifically impacting versions through 5.2.3.0. This security weakness stems from incorrectly configured access control security levels that permit unauthorized exploitation of user registration functionality. The issue manifests when the plugin fails to properly validate user permissions during registration processes, creating a pathway for malicious actors to bypass intended access controls and potentially gain unauthorized system access or manipulate user data. Such vulnerabilities fall under the broader category of inadequate access control mechanisms that can severely compromise system integrity and user privacy.
The technical implementation of this flaw involves the plugin's failure to enforce proper authorization checks when processing user registration requests. When users attempt to register through the RegistrationMagic forms, the system should verify that appropriate security levels are maintained and that only authorized individuals can perform registration actions. However, due to misconfigured access control parameters, the system allows unauthorized users to submit registration requests or manipulate existing registration data without proper authentication or authorization. This misconfiguration creates a persistent security gap that can be exploited across various attack vectors, particularly when the plugin is integrated into larger web applications or content management systems where proper access control boundaries should exist.
The operational impact of CVE-2023-49831 extends beyond simple unauthorized access to encompass potential data integrity violations and system compromise. Attackers exploiting this vulnerability may be able to create unauthorized user accounts, modify existing registration parameters, or potentially escalate privileges within the affected system. The implications become more severe when considering that user registration forms often contain sensitive personal information and may serve as entry points for broader system infiltration. This vulnerability aligns with CWE-284, which specifically addresses improper access control issues, and could potentially map to ATT&CK technique T1078 for valid accounts and T1566 for social engineering through compromised user accounts. Organizations utilizing RegistrationMagic in their web applications face significant risk of unauthorized data access, user account manipulation, and potential system compromise through this misconfigured authorization mechanism.
Mitigation strategies for CVE-2023-49831 require immediate attention through patching the affected plugin to version 5.2.3.1 or later, which should contain the necessary authorization controls to prevent unauthorized access. System administrators should conduct thorough security audits of all user registration forms and access control configurations within their environments to identify similar misconfigurations. Additional protective measures include implementing network segmentation to limit access to registration endpoints, enforcing strict input validation on all registration form fields, and monitoring for unusual registration patterns that may indicate exploitation attempts. Organizations should also review their access control policies and ensure proper role-based access controls are implemented for all user registration functions. Regular security assessments and vulnerability scanning should be conducted to identify and remediate similar authorization flaws in other system components, as this type of misconfiguration often indicates broader security policy gaps that require comprehensive review and strengthening.