CVE-2004-2701 in AspDotNetStorefront
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in signin.aspx for AspDotNetStorefront 3.3 allows remote attackers to inject arbitrary web script or HTML via the returnurl parameter.
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Analysis
by VulDB Data Team • 07/05/2025
The vulnerability identified as CVE-2004-2701 represents a classic cross-site scripting flaw within the AspDotNetStorefront e-commerce platform version 3.3. This security weakness resides in the signin.aspx page and specifically affects how the application processes the returnurl parameter. The flaw enables remote attackers to inject malicious web script or HTML code into the authentication page, creating a significant vector for various cyber attacks including session hijacking, credential theft, and user data manipulation. The vulnerability demonstrates poor input validation and output encoding practices that are fundamental to web application security.
The technical implementation of this XSS vulnerability stems from the application's failure to properly sanitize or escape user-supplied input from the returnurl parameter before rendering it within the web page context. When a user navigates to the signin.aspx page with a malicious returnurl value, the application directly incorporates this parameter into the HTML response without adequate security measures. This allows attackers to craft URLs containing malicious scripts that execute in the context of authenticated users' browsers, potentially compromising user sessions and sensitive data. The vulnerability aligns with CWE-79 which specifically addresses cross-site scripting flaws in web applications, where improper neutralization of input during web page generation creates opportunities for malicious code injection.
The operational impact of this vulnerability extends beyond simple script injection, creating potential pathways for more sophisticated attacks within the targeted e-commerce environment. An attacker could exploit this weakness to steal user session cookies, redirect victims to malicious sites, or even modify the authentication flow to capture login credentials. The vulnerability affects the integrity and confidentiality of user sessions, potentially compromising the entire authentication system of the AspDotNetStorefront application. This type of flaw represents a critical security gap that could be leveraged by threat actors to gain unauthorized access to customer accounts and sensitive transaction data, particularly in environments where users conduct financial transactions through the platform.
Mitigation strategies for CVE-2004-2701 should focus on implementing proper input validation and output encoding mechanisms throughout the application's codebase. The most effective approach involves sanitizing all user-supplied input, particularly parameters used in dynamic page generation, and ensuring that any data rendered in web contexts undergoes appropriate HTML encoding. Security patches should be applied immediately to upgrade the AspDotNetStorefront application to versions that address this vulnerability. Organizations should also implement content security policies to limit script execution capabilities, deploy web application firewalls to detect and block malicious payloads, and conduct regular security assessments to identify similar vulnerabilities in other application components. The remediation process should align with ATT&CK framework techniques related to credential access and defense evasion, ensuring comprehensive protection against exploitation attempts. Additionally, implementing proper logging and monitoring of authentication flows will help detect potential exploitation attempts and provide evidence for incident response activities.