CVE-2008-6174 in Jetbox CMS
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in admin/postlister/index.php in Jetbox CMS 2.1 allows remote attackers to inject arbitrary web script or HTML via the liste parameter.
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Analysis
by VulDB Data Team • 07/28/2025
The CVE-2008-6174 vulnerability represents a classic cross-site scripting flaw within the Jetbox CMS 2.1 content management system, specifically targeting the admin/postlister/index.php component. This vulnerability resides in the administrative interface of the CMS, making it particularly concerning as it provides attackers with potential access to sensitive administrative functions. The flaw manifests when the application fails to properly sanitize user input passed through the liste parameter, creating an avenue for malicious actors to inject arbitrary web scripts or HTML code into the application's response. The vulnerability is classified as a remote attack vector, meaning that an attacker can exploit this flaw without requiring physical access to the system or prior authentication.
The technical implementation of this XSS vulnerability stems from insufficient input validation and output encoding within the Jetbox CMS 2.1 administrative module. When administrators navigate to the postlister functionality and manipulate the liste parameter, the application directly incorporates user-supplied data into the HTTP response without adequate sanitization or encoding measures. This failure to properly escape or validate input data creates a persistent XSS vulnerability that allows attackers to execute malicious scripts within the context of the victim's browser session. The vulnerability aligns with CWE-79, which specifically addresses Cross-Site Scripting flaws in web applications, and represents a common weakness in web security practices where input validation is insufficiently implemented.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to escalate privileges and gain unauthorized access to the administrative interface. An attacker who successfully exploits this vulnerability could potentially execute malicious code that steals session cookies, redirects users to phishing sites, or modifies administrative settings within the CMS. The administrative nature of the vulnerable component increases the risk significantly, as successful exploitation could allow attackers to modify content, create new user accounts, or even completely compromise the CMS installation. This vulnerability particularly affects organizations that rely on Jetbox CMS 2.1 for content management, as it provides a direct path to administrative control of their web applications.
Mitigation strategies for this vulnerability should focus on immediate input validation and output encoding implementations. Organizations should implement proper parameter sanitization techniques that escape special characters in all user-supplied input before processing or displaying it within the application. The recommended approach involves applying HTML entity encoding to all dynamic content output and implementing strict input validation that rejects or filters potentially dangerous characters. Additionally, organizations should consider implementing Content Security Policy headers to limit script execution and prevent unauthorized code injection. This vulnerability also highlights the importance of regular security assessments and vulnerability scanning, as it demonstrates how outdated CMS versions can contain known security flaws that attackers actively exploit. The remediation process should include updating to patched versions of Jetbox CMS 2.1 or implementing web application firewalls to filter malicious requests before they reach the vulnerable component. According to ATT&CK framework, this vulnerability maps to T1059.007 for script injection techniques and T1566 for the initial compromise phase, making it a critical target for defensive measures.