CVE-2009-3530 in RadBids
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in storefront.php in RadScripts RadBids Gold 4 allows remote attackers to inject arbitrary web script or HTML via the mode parameter.
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Analysis
by VulDB Data Team • 12/07/2024
The vulnerability identified as CVE-2009-3530 represents a critical cross-site scripting flaw within the RadScripts RadBids Gold 4 web application. This security weakness resides in the storefront.php script and specifically affects the handling of the mode parameter, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of affected user sessions. The vulnerability demonstrates a classic input validation failure where user-supplied data enters the application without proper sanitization or encoding, making it susceptible to injection attacks that can compromise user security and application integrity.
The technical exploitation of this vulnerability occurs when an attacker crafts a malicious URL containing crafted script code within the mode parameter of the storefront.php endpoint. When a victim accesses this specially crafted link, the web application fails to properly sanitize or encode the input before rendering it in the browser context. This allows the injected malicious code to execute within the victim's browser session, potentially stealing session cookies, redirecting users to malicious sites, or performing actions on behalf of authenticated users. The flaw operates under CWE-79 which categorizes cross-site scripting vulnerabilities as weaknesses in input validation and output encoding, specifically targeting the failure to properly encode data before rendering it in web pages.
From an operational perspective, this vulnerability poses significant risks to both end users and the organization operating the RadBids Gold 4 platform. Attackers can leverage this flaw to impersonate legitimate users, access sensitive auction data, manipulate bids, or redirect users to phishing sites designed to harvest credentials. The impact extends beyond simple script injection as it can enable more sophisticated attacks such as session hijacking, data theft, or even complete account compromise. The vulnerability affects any user who interacts with the storefront.php script, making it particularly dangerous in auction environments where users trust the platform with valuable transactions and personal information.
The remediation strategy for CVE-2009-3530 requires immediate implementation of proper input validation and output encoding mechanisms. Organizations should implement strict sanitization of all user-supplied parameters, particularly those used in dynamic content generation. The recommended approach involves applying context-specific encoding techniques such as HTML entity encoding for output rendering, implementing proper input validation routines that reject or sanitize malicious payloads, and utilizing secure coding practices that prevent direct insertion of user data into web responses. Additionally, organizations should consider implementing Content Security Policy (CSP) headers as an additional defense-in-depth measure to mitigate the impact of potential XSS vulnerabilities. This vulnerability aligns with ATT&CK technique T1059.001 which covers command and scripting interpreter, and T1566 which addresses spearphishing through social engineering, emphasizing the need for comprehensive web application security controls and regular vulnerability assessments to prevent exploitation of such critical flaws in online auction platforms.