CVE-2006-7023 in fx-APP
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in fx-APP 0.0.8.1 allow remote attackers to inject arbitrary HTML or web script via (1) the search box, and the (2) url, (3) website, (4) comment, and (5) signature fields in the profile, and possibly (6) a menu item.
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Analysis
by VulDB Data Team • 08/19/2018
The vulnerability identified as CVE-2006-7023 represents a critical cross-site scripting weakness in fx-APP version 0.0.8.1, a web application framework that was widely used for content management and user interaction. This vulnerability stems from insufficient input validation and output sanitization mechanisms within the application's processing pipeline, creating multiple entry points where malicious actors can inject harmful scripts. The flaw specifically affects the application's handling of user-supplied data in various form fields, making it particularly dangerous as it encompasses core user interaction points within the system's interface. The vulnerability classification aligns with CWE-79 which specifically addresses Cross-Site Scripting flaws in web applications, where improper validation of user input leads to execution of malicious scripts in the context of other users' browsers.
The technical exploitation of this vulnerability occurs through the injection of malicious HTML or JavaScript code into several critical application fields including the search functionality, URL parameters, website information, comment sections, and profile signature fields. Attackers can leverage these injection points to execute scripts in the victim's browser context, potentially leading to session hijacking, credential theft, or unauthorized actions performed on behalf of the user. The vulnerability extends to menu item parameters, indicating that even navigation elements within the application are susceptible to malicious input injection. This broad scope of attack vectors demonstrates the fundamental design flaw in the application's data handling architecture, where input validation is not consistently applied across all user-facing interfaces. The vulnerability follows the typical pattern described in the ATT&CK framework under T1059.007 for Command and Scripting Interpreter, where attackers exploit application weaknesses to execute malicious scripts.
The operational impact of this vulnerability extends beyond simple data theft or session manipulation, as it can enable attackers to completely compromise user sessions and potentially gain unauthorized access to administrative functions. Users who interact with the affected application may unknowingly execute malicious scripts that can harvest cookies, redirect traffic, or perform actions within the application's context. The vulnerability's presence in profile-related fields particularly amplifies the risk as these areas often contain sensitive user information and personal identifiers. The fact that multiple fields across different application modules are affected suggests a systemic issue in the application's security architecture rather than isolated incidents. Organizations using this version of fx-APP face significant exposure to persistent threats that can evolve from simple XSS attacks into more sophisticated session hijacking or data exfiltration operations. The vulnerability's exploitation requires minimal technical expertise and can be automated, making it particularly dangerous for widespread deployment.
Mitigation strategies for this vulnerability must address both immediate remediation and long-term architectural improvements. The primary solution involves implementing comprehensive input validation and output encoding mechanisms across all user input fields, ensuring that any potentially malicious content is properly escaped or filtered before processing. Organizations should deploy proper content security policies and implement the principle of least privilege for user interactions to minimize the impact of successful attacks. The application should be updated to a newer version that addresses these security flaws, as version 0.0.8.1 is likely to contain additional vulnerabilities beyond this XSS issue. Security headers including X-Content-Type-Options, X-Frame-Options, and Content Security Policy should be implemented to provide additional layers of protection against script injection attacks. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other application components, particularly focusing on areas where user input is processed without adequate sanitization. The vulnerability serves as a reminder of the critical importance of input validation in web applications and the necessity of following security best practices outlined in industry standards such as OWASP Top 10 and NIST cybersecurity frameworks.