CVE-2025-15051 in QRadar SIEM
Summary
by MITRE • 03/19/2026
IBM QRadar SIEM 7.5.0 through 7.5.0 Update Package 14 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality.
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Analysis
by VulDB Data Team • 03/23/2026
IBM QRadar SIEM version 7.5.0 through Update Package 14 contains a cross-site scripting vulnerability that represents a critical security flaw in the web-based user interface. This vulnerability falls under the CWE-79 category, which specifically addresses cross-site scripting attacks where malicious code can be injected into web applications. The flaw exists in the web UI component that processes user input without proper sanitization or validation, allowing attackers to execute arbitrary JavaScript code within the context of other users' sessions. The vulnerability stems from insufficient input validation mechanisms that fail to properly encode or escape user-supplied data before rendering it in the web interface.
The operational impact of this vulnerability is severe as it enables attackers to perform session hijacking, steal user credentials, and manipulate the SIEM dashboard functionality. An attacker could craft malicious payloads that would execute when other users view compromised pages, potentially leading to complete system compromise. The vulnerability specifically affects the web-based management interface, which means that any user with access to the QRadar console could be targeted. This creates a significant risk for organizations that rely on QRadar for security monitoring, as compromised user sessions could provide unauthorized access to critical security events and logs. The attack vector requires minimal privileges since the vulnerability exists in the user interface components that are accessible to standard users.
From a threat modeling perspective, this vulnerability aligns with ATT&CK technique T1566 which covers social engineering tactics including the use of malicious content. The vulnerability can be exploited through various means including phishing campaigns where attackers deliver malicious payloads via crafted URLs or direct injection into web forms. Organizations may also be vulnerable through insider threats where malicious users with legitimate access exploit this weakness to escalate privileges or exfiltrate sensitive security data. The attack surface is particularly concerning given that QRadar SIEM systems typically contain highly sensitive security information including network traffic analysis, intrusion detection events, and security policy violations that would be valuable to adversaries.
Mitigation strategies should include immediate implementation of web application firewalls to filter malicious payloads, thorough input validation and output encoding across all web UI components, and regular security assessments of the web interface. Organizations should also implement network segmentation to limit access to the QRadar management interface and establish strict access controls for user accounts. The recommended approach involves applying the latest available patches from IBM, implementing content security policies to prevent script execution, and conducting regular security awareness training for administrators. Additionally, monitoring for suspicious user activities and implementing automated detection mechanisms for known XSS attack patterns can help identify exploitation attempts. The vulnerability demonstrates the critical importance of maintaining up-to-date security measures and proper input validation in enterprise security platforms, particularly those handling sensitive security data and requiring high availability.