CVE-2006-5120 in Red Mombin
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Scott Metoyer Red Mombin 0.7 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors related to (1) index.php and (2) process_login.php.
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Analysis
by VulDB Data Team • 04/23/2026
The vulnerability described in CVE-2006-5120 represents a critical security flaw in Scott Metoyer Red Mombin version 0.7, specifically targeting cross-site scripting vulnerabilities that enable remote attackers to execute malicious code within the context of user sessions. This issue manifests through two primary attack vectors located in the index.php and process_login.php files, which serve as fundamental entry points for user authentication and application navigation within the web application framework. The vulnerability falls under the category of CWE-79, which defines cross-site scripting as a weakness where untrusted data is incorporated into web page content without proper validation or sanitization, creating opportunities for attackers to inject malicious scripts that can compromise user sessions and data integrity.
The technical implementation of this vulnerability stems from insufficient input validation and output encoding mechanisms within the affected PHP scripts. When users interact with the application through these specific files, the application fails to properly sanitize user-supplied data before incorporating it into dynamic web content. This omission creates a pathway for attackers to inject malicious JavaScript code or HTML content that executes in the browser context of legitimate users. The attack vectors are particularly dangerous because they target core application files that handle user authentication and main navigation, ensuring that any successful exploitation would impact the application's most critical functions and potentially provide attackers with unauthorized access to user accounts and sensitive information.
The operational impact of CVE-2006-5120 extends beyond simple script injection, as it creates opportunities for more sophisticated attacks including session hijacking, credential theft, and data exfiltration. When attackers successfully exploit these XSS vulnerabilities, they can manipulate the application's behavior to redirect users to malicious sites, steal session cookies, or inject persistent malicious content that affects all users who access the vulnerable application. The implications are particularly severe for web applications handling user authentication, as successful exploitation could lead to complete account compromise and unauthorized access to sensitive user data. This vulnerability aligns with ATT&CK technique T1531, which describes the use of malicious code injection to gain persistence and maintain access to compromised systems.
Mitigation strategies for this vulnerability require immediate implementation of robust input validation and output encoding mechanisms throughout the application codebase. Developers should implement proper sanitization of all user inputs, particularly those processed through the index.php and process_login.php files, using established libraries and frameworks that automatically encode potentially dangerous characters. The application should employ Content Security Policy headers to prevent execution of unauthorized scripts and implement proper HTTPOnly flags on session cookies to prevent client-side script access. Additionally, regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components, while the affected version of Red Mombin should be updated to a patched release that addresses these specific XSS weaknesses. Organizations should also consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts targeting these specific attack vectors.