CVE-2023-38017 in Cloud Pak System
Summary
by MITRE • 02/04/2026
IBM Cloud Pak System is vulnerable to cross-site scripting. This vulnerability allows 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 • 02/26/2026
IBM Cloud Pak System contains a cross-site scripting vulnerability that represents a critical security weakness in the web-based user interface. This vulnerability falls under the CWE-79 category of Cross-Site Scripting, where the system fails to properly validate and sanitize user input before rendering it within the web application context. The flaw enables attackers to inject malicious JavaScript code through input fields or parameters that are subsequently executed in the browser of authenticated users. When users interact with the vulnerable system, their browsers execute the injected scripts within the trusted session context, potentially compromising the security of the entire application environment.
The operational impact of this vulnerability extends beyond simple script execution as it creates opportunities for session hijacking and credential theft. Attackers can craft malicious payloads that capture user credentials, session tokens, or other sensitive information transmitted within the trusted session. The vulnerability is particularly dangerous because it operates within the context of authenticated users, meaning that successful exploitation can provide attackers with access to privileged functions and data that would otherwise be restricted. This creates a significant risk for organizations relying on IBM Cloud Pak System for enterprise-level operations where sensitive data and system controls are managed through the web interface.
Security professionals should recognize this vulnerability as a prime example of how insufficient input validation can lead to severe consequences in modern web applications. The attack vector typically involves crafting specially designed input that appears legitimate to the system but contains malicious script code. When the system processes this input and displays it in the user interface without proper sanitization, the embedded JavaScript executes in the victim's browser. This vulnerability aligns with ATT&CK technique T1059.007 for Command and Scripting Interpreter, specifically targeting JavaScript execution within web browsers. Organizations should implement comprehensive input validation mechanisms, output encoding, and Content Security Policy headers to prevent such attacks from succeeding.
The mitigation strategies for this vulnerability involve multiple layers of defensive measures that address both the immediate technical flaw and broader security posture. Organizations should immediately apply available patches from IBM that address the specific XSS vulnerability in Cloud Pak System. Additionally, implementing proper input validation and output encoding mechanisms across all user-facing interfaces will prevent similar vulnerabilities from emerging. Security teams should deploy Content Security Policy headers that restrict script execution to trusted sources only, and implement proper session management practices including secure cookie attributes and session timeout mechanisms. Regular security testing including dynamic application security testing and manual penetration testing should be conducted to identify and remediate similar vulnerabilities before they can be exploited in production environments.