CVE-2008-6562 in Jax LinkLists
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in jax_linklists.php in Jack (tR) Jax LinkLists 1.00 allows remote attackers to inject arbitrary web script or HTML via the cat parameter. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
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Analysis
by VulDB Data Team • 07/27/2025
The vulnerability identified as CVE-2008-6562 represents a classic cross-site scripting flaw in the Jack (tR) Jax LinkLists 1.00 web application. This security weakness resides within the jax_linklists.php script and specifically affects the handling of the cat parameter, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of affected user sessions. The vulnerability type aligns with CWE-79 which defines cross-site scripting as a code injection attack that occurs when an application includes untrusted data in a new web page without proper validation or escaping, allowing attackers to inject client-side scripts into web pages viewed by other users.
The technical implementation of this vulnerability demonstrates a failure in input validation and output encoding practices within the affected web application. When the cat parameter is processed by jax_linklists.php, the application fails to sanitize or escape the input data before incorporating it into the web page response. This allows attackers to craft malicious payloads that, when executed in a victim's browser, can perform actions such as stealing session cookies, redirecting users to malicious sites, or defacing the affected web page. The vulnerability operates at the application layer and requires no special privileges to exploit, making it particularly dangerous as it can be leveraged by remote attackers without direct system access.
The operational impact of this vulnerability extends beyond simple data theft or page defacement. Attackers can leverage this XSS flaw to establish persistent malicious presence on affected websites, potentially using it as a stepping stone for more sophisticated attacks such as credential harvesting or lateral movement within network environments. The vulnerability affects the integrity and confidentiality of web applications by enabling unauthorized code execution in user browsers, which can lead to complete session hijacking, data exfiltration, or the deployment of additional malicious payloads. According to ATT&CK framework, this vulnerability maps to T1566.001 (Phishing: Spearphishing Attachment) and T1059.007 (Command and Scripting Interpreter: JavaScript) as attackers can use the XSS to deliver malicious JavaScript payloads and establish persistent access through compromised user sessions.
Mitigation strategies for CVE-2008-6562 should focus on implementing proper input validation and output encoding mechanisms. The most effective approach involves sanitizing all user-supplied input, particularly parameters like cat, through strict validation that rejects or escapes potentially dangerous characters and sequences. Web application developers should implement Content Security Policy headers to limit script execution contexts and employ proper HTML escaping techniques when rendering dynamic content. Additionally, the affected Jack (tR) Jax LinkLists 1.00 application should be updated to a patched version that addresses this vulnerability, as the original software appears to be outdated and likely lacks modern security controls. Organizations should also consider implementing web application firewalls and regular security assessments to detect and prevent similar vulnerabilities in their web applications. The vulnerability serves as a reminder of the importance of input validation and output encoding in preventing client-side attacks, with the CWE-79 classification emphasizing the critical nature of proper data sanitization in web applications.