CVE-2004-0301 in Store Kit
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in more.php for Online Store Kit 3.0 allows remote attackers to inject arbitrary HTML via the id parameter.
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Analysis
by VulDB Data Team • 07/13/2025
The vulnerability identified as CVE-2004-0301 represents a classic cross-site scripting flaw within the Online Store Kit 3.0 web application, specifically affecting the more.php script. This security weakness resides in the application's handling of user input through the id parameter, which fails to properly sanitize or validate data before incorporating it into dynamic web content. The vulnerability classification aligns with CWE-79, which describes improper neutralization of input during web page generation, making it a direct descendant of the well-known web application security issue of XSS. The flaw enables malicious actors to execute arbitrary HTML code within the context of a victim's browser session, potentially compromising user data and system integrity.
The technical implementation of this vulnerability exploits the lack of input validation mechanisms in the more.php script, which processes the id parameter without adequate sanitization measures. When a user submits data through this parameter, the application directly incorporates the input into HTML output without proper encoding or filtering, creating an environment where attacker-controlled content can be executed as part of the web page. This represents a fundamental flaw in the application's security architecture, where user-supplied data flows directly into the output generation process without proper security controls. The vulnerability operates under the principle that web applications should never trust user input and must always validate and sanitize all data before incorporating it into dynamic content.
The operational impact of this vulnerability extends beyond simple script execution, as it provides attackers with the capability to perform various malicious activities within the context of authenticated user sessions. Attackers can leverage this weakness to steal session cookies, redirect users to malicious websites, deface the online store interface, or even execute more sophisticated attacks such as credential theft or data exfiltration. The vulnerability's remote nature means that attackers do not require physical access to the system or local network privileges to exploit it, making it particularly dangerous in public-facing web applications. From an attack perspective, this flaw maps to several ATT&CK techniques including T1566 for initial access through malicious web content and T1059 for command and scripting interpreter usage, demonstrating the multi-layered threat potential.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements to prevent similar issues. The primary fix involves implementing proper input validation and output encoding mechanisms within the more.php script, ensuring that all user-supplied data is sanitized before being processed or displayed. Organizations should implement comprehensive parameter validation that rejects or encodes potentially dangerous characters and sequences, while also establishing proper HTML escaping routines to prevent script execution in web contexts. Additionally, regular security audits and code reviews should be conducted to identify and remediate similar vulnerabilities across the entire application stack. The implementation of web application firewalls and security headers can provide additional defense-in-depth measures, while proper security training for development teams can help prevent such flaws from being introduced during the software development lifecycle. This vulnerability underscores the critical importance of following secure coding practices and adhering to established security frameworks such as OWASP Top Ten and NIST cybersecurity guidelines to prevent the introduction of XSS vulnerabilities in web applications.