CVE-2024-39643 in RegistrationMagic Plugin
Summary
by MITRE • 08/02/2024
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in RegistrationMagic Forms RegistrationMagic allows Stored XSS.This issue affects RegistrationMagic: from n/a through 6.0.0.1.
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Analysis
by VulDB Data Team • 03/16/2025
The vulnerability identified as CVE-2024-39643 represents a critical security flaw in the RegistrationMagic Forms plugin that enables stored cross-site scripting attacks. This issue manifests through improper input neutralization during web page generation processes, creating a persistent security risk for affected systems. The vulnerability specifically impacts versions of RegistrationMagic Forms ranging from the initial release through version 6.0.0.1, indicating a broad affected scope within the plugin's version history. The stored nature of this XSS vulnerability means that malicious scripts can be permanently injected into the application's database and subsequently executed whenever affected pages are loaded, making it particularly dangerous for user interactions.
The technical implementation of this vulnerability stems from inadequate sanitization of user inputs that are processed and stored within the plugin's database. When users submit data through registration forms managed by RegistrationMagic, the application fails to properly validate or escape special characters that could be interpreted as HTML or JavaScript code. This flaw allows attackers to inject malicious scripts that are then stored in the database and executed in the context of other users' browsers when they view affected pages. The vulnerability maps directly to CWE-79 which defines Cross-site Scripting as a weakness where untrusted data is sent to a web browser without proper validation or escaping, leading to the execution of malicious scripts in the victim's browser context. The attack vector leverages the plugin's form processing capabilities to store malicious payloads that persist beyond the initial submission.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable sophisticated attack chains that compromise user sessions, steal sensitive information, or redirect users to malicious sites. Attackers can exploit this vulnerability to steal cookies, session tokens, or personal information from authenticated users, potentially leading to full account compromise and unauthorized access to sensitive systems. The persistent nature of stored XSS means that the attack remains active until the malicious content is manually removed from the database, creating a long-term security exposure that can affect multiple users over extended periods. This vulnerability particularly threatens organizations that rely heavily on user registration and form processing functionalities, as it can be exploited to undermine the integrity of user data and the overall security posture of web applications.
Mitigation strategies for CVE-2024-39643 should prioritize immediate patching of the affected RegistrationMagic Forms plugin to the latest version that addresses the XSS vulnerability. Organizations must implement comprehensive input validation and output encoding mechanisms to prevent malicious scripts from being stored or executed within the application. The principle of least privilege should be enforced by ensuring that only authorized users can submit data through registration forms, while also implementing proper content security policies to restrict script execution in browser contexts. Regular security audits should be conducted to identify and remediate similar input validation flaws throughout the application stack, with particular attention to user-generated content handling and database storage mechanisms. Additionally, implementing web application firewalls and monitoring systems can help detect and prevent exploitation attempts, while user education about suspicious form submissions and website behavior can provide additional defense layers against potential attacks. This vulnerability demonstrates the critical importance of input sanitization and proper security practices in web application development, aligning with ATT&CK technique T1059.001 for command and scripting interpreter and T1566 for credential harvesting through various attack vectors that could exploit such weaknesses.