CVE-2024-36656 in MintHCM
Summary
by MITRE • 06/14/2024
In MintHCM 4.0.3, a registered user can execute arbitrary JavaScript code and achieve a reflected Cross-site Scripting (XSS) attack.
Once again VulDB remains the best source for vulnerability data.
Analysis
by VulDB Data Team • 06/18/2025
The vulnerability identified as CVE-2024-36656 affects MintHCM version 4.0.3 and represents a critical reflected cross-site scripting flaw that allows authenticated users to inject and execute arbitrary JavaScript code within the application context. This vulnerability resides in the application's input validation mechanisms where user-supplied data is not properly sanitized before being rendered in web responses. The issue manifests when the application fails to adequately escape or filter user input that gets reflected back to the browser without proper security measures, creating an environment where malicious scripts can be executed in the context of other users' sessions. The vulnerability is particularly concerning because it requires only a registered user account to exploit, significantly reducing the attack surface and increasing the potential impact of successful exploitation.
The technical implementation of this reflected XSS vulnerability stems from insufficient output encoding and input validation controls within MintHCM's web application framework. When authenticated users submit data through various application interfaces, the system does not properly sanitize or encode the input before incorporating it into dynamic HTML responses. This allows attackers to craft malicious payloads that, when executed, can perform actions such as stealing session cookies, redirecting users to malicious sites, or performing unauthorized actions on behalf of other users. The vulnerability is classified as reflected XSS under CWE-79, which specifically addresses the improper handling of user-provided data in web applications. The attack vector typically involves sending a malicious link containing the XSS payload to a victim user, who then clicks the link and executes the injected code in their browser context.
The operational impact of this vulnerability extends beyond simple script execution and can lead to significant security breaches within the MintHCM environment. An attacker with a registered account can potentially escalate privileges, access sensitive data, modify application functionality, or establish persistent access through session hijacking techniques. The reflected nature of the vulnerability means that the malicious code is executed in the victim's browser when they navigate to a crafted URL containing the XSS payload, making it particularly difficult to detect and prevent. This vulnerability directly aligns with ATT&CK technique T1059.007 for XSS attacks and represents a significant risk to the confidentiality, integrity, and availability of the affected system. Organizations using MintHCM 4.0.3 must consider the potential for data exfiltration, unauthorized access to sensitive information, and the possibility of establishing backdoors through this vulnerability.
Mitigation strategies for CVE-2024-36656 should prioritize immediate implementation of proper input validation and output encoding mechanisms throughout the MintHCM application. The most effective approach involves implementing comprehensive HTML escaping and sanitization of all user-supplied input before rendering it in web responses, which directly addresses the root cause of the reflected XSS vulnerability. Organizations should also implement Content Security Policy (CSP) headers to limit the execution of inline scripts and restrict the sources from which scripts can be loaded. Additionally, regular security testing including automated vulnerability scanning and manual penetration testing should be conducted to identify similar issues within the application. The fix should include proper parameter validation, use of secure coding practices, and implementation of proper error handling that does not expose sensitive information. Organizations should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts, while ensuring that all users are properly trained on security awareness and the risks associated with clicking suspicious links. The vulnerability highlights the importance of maintaining up-to-date security practices and the necessity of regular security assessments to prevent exploitation of known vulnerabilities.