CVE-2007-2790 in VP-ASP Shopping Cart
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in shopcontent.asp in VP-ASP Shopping Cart 6.50, and possibly earlier, allows remote attackers to inject arbitrary web script or HTML via the type parameter.
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Analysis
by VulDB Data Team • 10/17/2017
The vulnerability identified as CVE-2007-2790 represents a classic cross-site scripting flaw within the VP-ASP Shopping Cart 6.50 web application, with potential implications for earlier versions. This security weakness resides in the shopcontent.asp script which processes user input without adequate sanitization or validation mechanisms. The vulnerability specifically affects the type parameter, which when improperly handled during web page rendering creates an opportunity for malicious actors to execute arbitrary scripts within the context of other users' browsers. Such flaws typically arise from insufficient input validation and output encoding practices that fail to properly neutralize potentially harmful content before it is processed by web applications.
The technical exploitation of this vulnerability occurs when an attacker crafts malicious input containing script code within the type parameter of the shopcontent.asp endpoint. When the application processes this parameter without proper sanitization, the injected content becomes part of the dynamic web page output. Users who subsequently access the affected page will have the malicious script executed in their browser context, potentially leading to session hijacking, credential theft, or other malicious activities. This type of vulnerability falls under CWE-79 which specifically addresses cross-site scripting flaws in web applications, representing one of the most prevalent and dangerous web security weaknesses identified in the industry.
The operational impact of CVE-2007-2790 extends beyond simple script execution as it compromises the integrity of the entire web application ecosystem. Attackers can leverage this vulnerability to steal user sessions, modify application behavior, redirect users to malicious sites, or even gain persistent access through more sophisticated attack vectors. The vulnerability affects e-commerce environments where user trust and data security are paramount, potentially leading to financial losses, reputation damage, and regulatory compliance issues. The attack surface is particularly concerning in shopping cart applications where users frequently enter personal and payment information, making such vulnerabilities especially attractive to cybercriminals seeking to exploit user confidence in legitimate commercial platforms.
Security mitigations for this vulnerability require immediate implementation of robust input validation and output encoding measures. The primary defense involves sanitizing all user-supplied input parameters, particularly those that influence dynamic content generation, before they are processed by the application. Implementing proper HTML encoding of output content ensures that any potentially malicious scripts are rendered harmless when displayed to users. Organizations should also consider implementing Content Security Policy headers to prevent unauthorized script execution, and deploy web application firewalls to detect and block suspicious input patterns. The remediation process should include comprehensive code reviews to identify similar vulnerabilities across the application, as well as regular security testing including dynamic application security testing and manual penetration testing to ensure all potential XSS vectors are addressed. This vulnerability demonstrates the critical importance of following secure coding practices and adhering to established security frameworks such as those recommended by OWASP and NIST to prevent such persistent threats in web applications.