CVE-2009-3592 in X-Cart
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in customer/home.php in Qualiteam X-Cart allows remote attackers to inject arbitrary web script or HTML via the email parameter in a subscribed action, a different vector than CVE-2005-1823.
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Analysis
by VulDB Data Team • 09/21/2025
The vulnerability described in CVE-2009-3592 represents a cross-site scripting flaw within the Qualiteam X-Cart e-commerce platform, specifically affecting the customer/home.php script. This security weakness falls under the category of persistent XSS attacks, where malicious code can be injected into the application's user interface and executed when other users view the affected page. The vulnerability manifests when the email parameter is processed during a subscribed action, creating an opportunity for remote attackers to execute arbitrary web scripts or HTML code within the context of other users' browsers. Unlike CVE-2005-1823 which targeted a different vector, this particular flaw exploits the subscription handling mechanism within the customer portal, making it a distinct yet equally dangerous security concern.
The technical implementation of this vulnerability stems from insufficient input validation and output sanitization within the X-Cart application's customer management system. When users subscribe to newsletters or update their email addresses through the customer/home.php endpoint, the application fails to properly sanitize the email parameter before incorporating it into dynamic web page content. This inadequate sanitization allows attackers to inject malicious payloads that can execute in the browser context of other users who subsequently access the affected 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 anyone with access to the subscription functionality. According to CWE-79, this represents a classic cross-site scripting weakness where the application fails to properly escape or encode user-supplied data before rendering it in web pages, creating a persistent security gap that can be exploited across multiple user sessions.
The operational impact of CVE-2009-3592 extends beyond simple data theft or session hijacking, as it provides attackers with the capability to perform more sophisticated attacks within the compromised application environment. Successful exploitation could enable attackers to steal sensitive customer information, manipulate user sessions, redirect users to malicious websites, or even execute commands within the application context. The vulnerability's persistence means that once exploited, the malicious code remains active until the application is patched or the affected data is manually removed from the system. This creates a long-term security risk for e-commerce platforms that rely on X-Cart, as the compromised user sessions could be leveraged for financial fraud, data exfiltration, or as a foothold for further attacks within the organization's network infrastructure. The attack vector specifically targets subscription functionality, making it particularly concerning for businesses that rely heavily on customer email lists and newsletter management systems.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms within the X-Cart application. Organizations should immediately apply the vendor-provided security patches or upgrade to patched versions of the software to address the XSS vulnerability. Additionally, implementing proper parameter sanitization techniques, including the use of context-specific output encoding, can prevent malicious scripts from executing in the browser context. Security measures should include regular input validation for all user-supplied data, particularly parameters used in dynamic content generation, and implementing Content Security Policy headers to limit the execution of unauthorized scripts. The remediation process should also involve thorough code reviews and security testing of web applications to identify similar vulnerabilities in other components. Organizations should consider implementing web application firewalls and monitoring systems to detect and prevent exploitation attempts, while also conducting regular security assessments to ensure that all application components properly handle user input without creating XSS vulnerabilities. This vulnerability highlights the importance of following secure coding practices and maintaining up-to-date security measures in e-commerce platforms that handle sensitive user data and transactions.