CVE-2008-4637 in cpCommerce
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in cpCommerce before 1.2.4 allows remote attackers to inject arbitrary web script or HTML via unknown vectors in the advanced search feature. NOTE: this is probably a variant of CVE-2008-4121.
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Analysis
by VulDB Data Team • 10/11/2018
The vulnerability identified as CVE-2008-4637 represents a cross-site scripting flaw within the cpCommerce e-commerce platform prior to version 1.2.4. This security weakness specifically manifests within the advanced search functionality of the application, creating a potential entry point for malicious actors to execute arbitrary web scripts or HTML code within the context of affected user sessions. The vulnerability's classification as a client-side attack vector means that successful exploitation would allow attackers to manipulate the web application's behavior and potentially access sensitive user data or perform unauthorized actions on behalf of legitimate users. The issue falls under the broader category of injection vulnerabilities that have been consistently identified as critical threats to web application security.
The technical nature of this vulnerability stems from inadequate input validation and output encoding mechanisms within the advanced search component of cpCommerce. Attackers can leverage this weakness by crafting malicious input strings that contain script code or HTML elements which are then processed and displayed without proper sanitization. When other users access the search results or related pages, the malicious content executes in their browsers, potentially leading to session hijacking, credential theft, or redirection to malicious websites. This type of vulnerability directly maps to CWE-79, which defines Cross-Site Scripting as a weakness where untrusted data is improperly integrated into web pages without proper validation or escaping. The attack surface is particularly concerning given that search functionality is typically accessed by numerous users and often displays dynamic content that could be manipulated by attackers.
The operational impact of CVE-2008-4637 extends beyond simple data corruption or display issues, as it can enable sophisticated attack scenarios that compromise user trust and application integrity. When attackers successfully exploit this vulnerability, they can potentially steal session cookies, redirect users to phishing sites, or inject malicious content that persists across multiple user interactions. The fact that this vulnerability is likely a variant of CVE-2008-4121 suggests a pattern of similar weaknesses within the cpCommerce platform, indicating that other components may be susceptible to similar attacks. This classification aligns with ATT&CK technique T1531 which focuses on "Modify System Image" through the use of malicious scripts that can alter application behavior. Organizations using affected versions of cpCommerce face significant risk of user data compromise and potential regulatory violations, particularly in environments where sensitive customer information is processed.
Mitigation strategies for CVE-2008-4637 primarily involve immediate upgrading to cpCommerce version 1.2.4 or later, which contains the necessary patches to address the input validation shortcomings. Additionally, implementing comprehensive input sanitization measures, output encoding, and Content Security Policy (CSP) headers can provide additional defense layers. Security teams should conduct thorough code reviews of search functionality and other user-input handling components to identify potential similar vulnerabilities. The remediation process should include validating all user-supplied input through proper escaping mechanisms and ensuring that dynamic content is properly encoded before being rendered in web browsers. Organizations should also consider implementing web application firewalls and regular security testing to detect and prevent similar vulnerabilities from being introduced in the future. Given the nature of XSS vulnerabilities, this issue represents a fundamental security gap that requires both immediate patching and long-term architectural improvements to prevent recurrence of similar weaknesses.