CVE-2006-0237 in iCommerce
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in GTP iCommerce allows remote attackers to inject arbitrary web script or HTML via the (1) cat and (2) subcat parameters. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 11/14/2025
This cross-site scripting vulnerability exists in the GTP iCommerce shopping cart system where the index.php script fails to properly sanitize user input parameters. The flaw specifically affects the cat and subcat parameters which are directly incorporated into the web page output without adequate validation or encoding. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, which represents one of the most prevalent and dangerous web application security flaws. Attackers can exploit this weakness by crafting malicious payloads in the cat and subcat parameters that when processed by the vulnerable application, get executed in the context of other users' browsers. The attack vector is particularly concerning as it allows remote code execution through web script injection, enabling threat actors to perform session hijacking, defacement, or redirect users to malicious sites. The vulnerability's impact extends beyond simple data theft as it can be leveraged for more sophisticated attacks such as credential harvesting or establishing persistent backdoors within the targeted environment. According to ATT&CK framework, this vulnerability maps to T1566.001 - Phishing: Spearphishing Attachment, where the XSS payload could be delivered through malicious email attachments or links. The lack of input validation in the application's parameter handling creates a direct path for attackers to inject malicious JavaScript code that executes in the victim's browser context. This flaw demonstrates poor secure coding practices and inadequate output encoding mechanisms that are fundamental requirements in modern web application security. The vulnerability affects the core commerce functionality of the platform, potentially compromising customer data and business operations.
The technical implementation of this XSS vulnerability stems from the application's failure to apply proper input sanitization before rendering user-supplied data in the web interface. When the cat and subcat parameters are passed to index.php, they undergo insufficient validation processes that would normally escape or encode special characters to prevent HTML injection. This weakness allows attackers to inject malicious payloads such as <script>alert('xss')</script> or more sophisticated JavaScript code that can steal cookies, redirect traffic, or perform actions on behalf of authenticated users. The vulnerability's exploitation requires minimal technical skill and can be accomplished through simple parameter manipulation in the URL. The lack of proper output encoding means that even if the input were validated, the application would still render the malicious content without appropriate HTML escaping. This type of vulnerability is particularly dangerous because it can be exploited across multiple user sessions and can be combined with other attack vectors to create more severe security incidents. The vulnerability's presence in a commerce platform increases the risk of financial fraud and customer data compromise, making it a critical security concern that requires immediate remediation.
Organizations utilizing GTP iCommerce systems should implement comprehensive input validation and output encoding mechanisms to prevent similar vulnerabilities from occurring. The recommended mitigation strategies include implementing proper parameter validation using allowlists, applying HTML entity encoding to all user-supplied data before rendering, and deploying web application firewalls to detect and block malicious payloads. Additionally, developers should follow secure coding guidelines that emphasize the principle of least privilege and input sanitization. The vulnerability highlights the importance of implementing defense-in-depth strategies that include both server-side validation and client-side security measures. Security teams should conduct regular vulnerability assessments and penetration testing to identify similar weaknesses in the application's codebase. The remediation process should involve comprehensive code reviews focusing on all input parameters that are processed and displayed in the web interface. Organizations should also establish incident response procedures to quickly address any exploitation attempts. According to industry best practices, this type of vulnerability should be addressed through a combination of immediate patching, enhanced monitoring, and long-term security architecture improvements to prevent similar issues from reoccurring in other application components. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date security practices and the necessity of comprehensive security testing throughout the software development lifecycle.