CVE-2007-1331 in ePortfolio
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in TKS Banking Solutions ePortfolio 1.0 Java allow remote attackers to inject arbitrary web script or HTML via unspecified vectors that bypass the client-side protection scheme, one of which may be the q parameter to the search program. NOTE: some of these details are obtained from third party information.
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Analysis
by VulDB Data Team • 08/23/2025
The vulnerability identified as CVE-2007-1331 represents a critical security flaw in TKS Banking Solutions ePortfolio 1.0 Java application, exposing multiple cross-site scripting vulnerabilities that fundamentally compromise the security posture of financial web applications. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, specifically targeting the application's failure to properly validate and sanitize user input before processing. The affected system operates within the financial services sector where data integrity and user security are paramount, making this vulnerability particularly dangerous as it could potentially lead to unauthorized access to sensitive banking information.
The technical implementation of this vulnerability stems from inadequate input validation mechanisms within the ePortfolio application's search functionality, specifically through the q parameter in the search program. Attackers can exploit this weakness by injecting malicious JavaScript code or HTML content into the application's search interface, which then gets executed in the context of other users' browsers. The bypass of client-side protection schemes indicates that the application relies on insufficient or easily circumvented client-side validation measures, allowing malicious payloads to reach the server-side processing components where they are subsequently stored or executed. This flaw demonstrates a fundamental misunderstanding of secure coding practices where defense-in-depth principles should be implemented, rather than relying solely on client-side controls that can be easily manipulated.
The operational impact of this vulnerability extends beyond simple script injection, creating potential pathways for more sophisticated attacks within the banking environment. An attacker could leverage this vulnerability to steal session cookies, redirect users to malicious websites, or perform actions on behalf of authenticated users within the application. The financial implications are severe as banking applications typically handle sensitive personal and financial data, making this vulnerability particularly attractive to threat actors. The attack vector through the q parameter suggests that even routine search operations could become entry points for compromising the entire application ecosystem, potentially affecting multiple users simultaneously. This vulnerability also aligns with ATT&CK technique T1566.001 which involves the use of web shells and malicious scripts to gain unauthorized access to systems.
Mitigation strategies for CVE-2007-1331 should focus on implementing robust input validation and output encoding mechanisms throughout the application's codebase. The most effective approach involves sanitizing all user inputs using proper encoding techniques such as HTML entity encoding for output rendering and implementing comprehensive input validation that rejects or removes potentially malicious content. Organizations should deploy Content Security Policy headers to limit script execution and prevent unauthorized code injection. Additionally, implementing proper secure coding practices including parameterized queries and regular security code reviews would significantly reduce the risk of similar vulnerabilities. The application should also be updated to a newer version of the ePortfolio software that addresses these security flaws, as the original version appears to lack proper security measures that are now considered industry standards. The vulnerability highlights the critical importance of maintaining up-to-date security protocols and following secure coding guidelines as outlined in OWASP Top 10 and NIST cybersecurity frameworks.