CVE-2025-0656 in Concert Software
Summary
by MITRE • 09/01/2025
IBM Concert Software 1.0.0 through 1.1.0 is vulnerable to cross-site scripting. This vulnerability allows an unauthenticated user 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 • 09/01/2025
IBM Concert Software versions 1.0.0 through 1.1.0 contains a critical cross-site scripting vulnerability that represents a significant security risk to organizations utilizing this platform. This vulnerability falls under the Common Weakness Enumeration category CWE-79 which specifically addresses cross-site scripting flaws in web applications. The flaw exists within the web user interface where input validation mechanisms fail to properly sanitize user-supplied data before rendering it back to the browser. An attacker can exploit this weakness by injecting malicious javascript code through web forms, URL parameters, or other input vectors that are not adequately filtered or escaped.
The operational impact of this vulnerability extends beyond simple script execution as it creates a persistent threat vector that can compromise user sessions and potentially lead to credential theft. When an unauthenticated user successfully injects javascript code into the web interface, the malicious payload executes within the context of a trusted session, allowing attackers to access sensitive information, hijack user sessions, or perform actions on behalf of authenticated users. This type of vulnerability aligns with the attack pattern described in the MITRE ATT&CK framework under T1059.007 for command and scripting interpreter and T1531 for account access removal. The vulnerability specifically targets the web application layer and can be exploited without requiring authentication, making it particularly dangerous as it allows attackers to establish a foothold in the system.
The technical implementation of this XSS vulnerability suggests that IBM Concert Software fails to implement proper input sanitization and output encoding mechanisms throughout its web interface components. This allows malicious payloads to be stored or executed in a manner that bypasses standard security controls. Organizations should immediately implement mitigations including input validation, output encoding, and content security policy enforcement. The recommended remediation strategy involves updating to the latest version of IBM Concert Software where the vulnerability has been patched, implementing proper input sanitization routines, and deploying web application firewalls to detect and prevent XSS attempts. Additionally, organizations should conduct comprehensive security testing to identify any additional vectors that may be susceptible to similar attacks, as this vulnerability demonstrates a fundamental weakness in the application's data handling procedures that could affect other components of the system.