CVE-2024-33976 in E-Negosyo System
Summary
by MITRE • 08/06/2024
Cross-Site Scripting (XSS) vulnerability in E-Negosyo System affecting version 1.0. An attacker could exploit this vulnerability by sending a specially crafted JavaScript payload to an authenticated user and partially take over their browser session via 'id' parameter in '/admin/user/index.php'.
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Analysis
by VulDB Data Team • 03/15/2025
The CVE-2024-33976 vulnerability represents a critical cross-site scripting flaw within the E-Negosyo System version 1.0, demonstrating a fundamental weakness in input validation and output encoding mechanisms. This vulnerability specifically targets the administrative user management interface, where the 'id' parameter in the '/admin/user/index.php' endpoint fails to properly sanitize user-supplied input. The flaw allows attackers to inject malicious JavaScript code that executes within the context of a victim's browser session, creating a significant security risk for authenticated administrators who interact with the system.
The technical exploitation of this vulnerability follows standard XSS attack patterns where an attacker crafts a malicious payload containing JavaScript code and delivers it to a victim through the 'id' parameter. When the authenticated user navigates to the affected page with the malicious input, the browser executes the injected script, potentially allowing the attacker to steal session cookies, modify user permissions, or perform unauthorized actions within the application. This vulnerability directly maps to CWE-79 which defines cross-site scripting as the failure to properly escape output, and aligns with ATT&CK technique T1059.007 for JavaScript execution within web applications.
The operational impact of this vulnerability extends beyond simple script execution, as it enables session hijacking and privilege escalation attacks that can compromise the entire administrative interface. An attacker who successfully exploits this vulnerability gains the ability to manipulate user accounts, modify system configurations, and potentially access sensitive business data within the E-Negosyo ecosystem. The authentication context provides the attacker with elevated privileges, making this vulnerability particularly dangerous for business-critical applications that handle financial transactions and administrative functions. This weakness represents a significant gap in the application's security posture and could lead to complete system compromise if not addressed promptly.
Mitigation strategies for CVE-2024-33976 should prioritize immediate input validation and output encoding implementations throughout the E-Negosyo System. The primary fix involves implementing proper parameter sanitization for the 'id' parameter in the administrative user management endpoint, ensuring all user-supplied input is properly escaped before being rendered in the browser. Organizations should deploy context-specific output encoding mechanisms that prevent JavaScript execution in different contexts such as HTML attributes, URLs, and JavaScript contexts. Additionally, implementing Content Security Policy headers and using secure session management practices can provide additional defense-in-depth measures. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify similar vulnerabilities across the entire application stack, with particular attention to all parameters that accept user input in administrative interfaces. The vulnerability highlights the importance of following secure coding practices and adhering to OWASP Top Ten guidelines for preventing XSS attacks in web applications.