CVE-2024-49339 in Financial Transaction Manager for SWIFT Services for Multiplatforms
Summary
by MITRE • 01/31/2025
IBM Financial Transaction Manager for SWIFT Services for Multiplatforms 3.2.4.0 through 3.2.4.1 is vulnerable to stored cross-site scripting. This vulnerability allows authenticated users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
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Analysis
by VulDB Data Team • 08/14/2025
The vulnerability identified as CVE-2024-49339 affects IBM Financial Transaction Manager for SWIFT Services for Multiplatforms version 3.2.4.0 through 3.2.4.1, representing a critical stored cross-site scripting flaw that undermines the security posture of financial transaction processing systems. This vulnerability resides within the web user interface component of the software, where authenticated users can inject malicious JavaScript code that persists in the application's database or storage mechanisms. The flaw enables attackers who have legitimate access credentials to manipulate the application's behavior by embedding malicious scripts that execute in the context of other users' sessions. The vulnerability specifically targets the web interface layer where user input is processed and rendered without proper sanitization or encoding, creating an environment where malicious code can be stored and subsequently executed when other users view the affected content.
The technical implementation of this vulnerability stems from inadequate input validation and output encoding mechanisms within the web application's data handling processes. When authenticated users submit content through the web interface, the system fails to properly sanitize or encode user-supplied data before storing it in the backend systems. This stored data is then rendered in subsequent user interactions without appropriate security measures to prevent script execution. The vulnerability operates under CWE-079 which classifies stored cross-site scripting as a weakness where web applications fail to properly encode output data, allowing attackers to inject malicious scripts that execute in the context of other users. The flaw represents a significant deviation from secure coding practices and demonstrates a failure in implementing proper input validation and output encoding controls that are fundamental to preventing cross-site scripting attacks.
The operational impact of this vulnerability extends beyond simple data manipulation, as it creates a pathway for credential theft and session hijacking within trusted financial environments. When malicious JavaScript code is successfully injected and executed, it can capture user credentials, session tokens, or other sensitive information that is transmitted during normal application usage. The vulnerability is particularly dangerous in financial transaction processing systems where users maintain persistent sessions with elevated privileges and access to sensitive financial data. Attackers can leverage this flaw to establish persistent access to the system, potentially compromising multiple user accounts and financial transaction records. The attack vector requires only authenticated access, making it particularly concerning as it can be exploited by insiders or compromised legitimate users, and the stored nature of the vulnerability means that the malicious code can affect multiple users over time.
Mitigation strategies for CVE-2024-49339 should focus on immediate implementation of input sanitization and output encoding controls to prevent malicious code injection. Organizations must ensure that all user-supplied data is properly validated and encoded before being stored or rendered in the web interface. This includes implementing proper content security policies, input validation routines, and output encoding mechanisms that align with industry standards such as those recommended in the OWASP Top Ten and the NIST Cybersecurity Framework. System administrators should also implement network monitoring to detect unusual data submission patterns and consider implementing web application firewalls to provide additional layers of protection. The vulnerability demonstrates the importance of following secure coding practices and implementing defense-in-depth strategies, as outlined in the MITRE ATT&CK framework's web application attack patterns where stored XSS represents a common technique for establishing persistent access to web-based systems. Regular security assessments and vulnerability scanning should be conducted to identify similar weaknesses in related systems and ensure comprehensive protection against similar attack vectors.