CVE-2006-5944 in Car Site Manager
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in csm/asp/listings.asp in MGinternet Car Site Manager (CSM) allows remote attackers to inject arbitrary web script or HTML via the s parameter.
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Analysis
by VulDB Data Team • 04/27/2026
The CVE-2006-5944 vulnerability represents a critical cross-site scripting flaw within MGinternet Car Site Manager version 1.0, specifically affecting the csm/asp/listings.asp component. This vulnerability exposes web applications to malicious code injection attacks that can compromise user sessions and data integrity. The flaw manifests when the application fails to properly sanitize user input passed through the s parameter, creating an exploitable pathway for remote attackers to execute arbitrary web scripts or HTML code within the context of affected user browsers. The vulnerability falls under the CWE-79 category of Cross-Site Scripting, which is classified as a fundamental web application security weakness that has persisted across numerous software platforms due to inadequate input validation and output encoding mechanisms.
The technical implementation of this vulnerability occurs at the application layer where user-supplied parameters are directly incorporated into dynamic web content without proper sanitization or encoding. When a user submits data through the s parameter in the listings.asp script, the application processes this input without adequate validation, allowing malicious payloads to be stored or executed in the browser context of other users who view the affected content. This type of vulnerability enables attackers to perform session hijacking, steal sensitive information, redirect users to malicious sites, or deface web pages. The attack vector specifically targets the parameter handling mechanism within the ASP-based web application framework, where input validation occurs too late in the processing pipeline or not at all, creating a persistent security gap that can be exploited by remote threat actors.
The operational impact of CVE-2006-5944 extends beyond simple data theft to encompass complete user session compromise and potential system infiltration. Attackers can craft malicious payloads that exploit this vulnerability to steal authentication cookies, modify user permissions, or redirect victims to phishing sites that mimic legitimate banking or corporate portals. The vulnerability particularly affects automotive listing websites that rely on user-generated content, making it a significant concern for businesses handling sensitive vehicle information and customer data. From an attacker's perspective, this vulnerability maps to several ATT&CK techniques including T1566 for social engineering and T1059 for command and scripting interpreter usage, as the compromised systems can serve as launching points for further attacks. The persistence of such vulnerabilities in legacy applications like CSM 1.0 demonstrates the ongoing challenge of maintaining security in older web platforms that may not receive regular security updates or patches.
Mitigation strategies for CVE-2006-5944 require immediate implementation of input validation and output encoding measures to prevent malicious code from being executed within the application context. Organizations should implement proper parameter sanitization techniques that filter or escape special characters in user inputs before processing them, particularly for parameters like s that are directly rendered in web responses. The recommended approach includes employing context-specific output encoding, implementing strict input validation rules, and utilizing web application firewalls to detect and block suspicious payload patterns. Additionally, organizations should consider implementing Content Security Policy headers to limit script execution sources and prevent unauthorized code injection. The vulnerability highlights the importance of regular security assessments and input validation reviews, particularly for legacy applications that may not adhere to modern security standards. Organizations should also establish comprehensive patch management procedures to ensure that known vulnerabilities in third-party applications are addressed promptly through official updates or alternative security measures, as the affected CSM version likely lacks current security enhancements that would prevent such exploitation scenarios.