CVE-2025-36173 is a cross-site scripting (XSS) vulnerability classified under CWE-79, found in IBM InfoSphere Data Architect version 9.2.1. The vulnerability stems from improper neutralization of user-supplied input during the generation of web pages within the application. This allows an attacker to inject malicious scripts that execute in the context of the victim's browser when they interact with crafted content. The CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) indicates that the attack can be launched remotely over the network with low attack complexity, requires no privileges, but does require user interaction. The scope is changed, meaning the vulnerability can affect resources beyond the vulnerable component. The impact on confidentiality and integrity is low, as attackers may steal session tokens or manipulate displayed data, but availability is not affected. No patches have been released yet, and no known exploits are reported in the wild. This vulnerability poses risks primarily to organizations relying on IBM InfoSphere Data Architect 9.2.1 for data modeling and architecture tasks, especially in environments where users access the application via web interfaces. Attackers could leverage this to conduct phishing, session hijacking, or inject misleading information, potentially compromising data integrity and confidentiality within enterprise environments.

The vulnerability could allow attackers to execute arbitrary scripts in the context of users accessing IBM InfoSphere Data Architect 9.2.1, leading to potential session hijacking, theft of sensitive information, or manipulation of displayed data. While it does not affect system availability, the compromise of confidentiality and integrity can have serious consequences, especially in environments handling sensitive or critical data architecture. Organizations may face risks of unauthorized data disclosure, loss of trust, and potential compliance violations. The requirement for user interaction limits automated exploitation but does not eliminate risk, particularly in phishing or social engineering scenarios. The lack of authentication requirement broadens the attack surface, allowing external attackers to target users directly. Since no known exploits are currently in the wild, the threat is theoretical but should be addressed proactively to prevent future exploitation.

1. Apply strict input validation and output encoding on all user-supplied data within IBM InfoSphere Data Architect interfaces to prevent script injection. 2. Deploy and configure web application firewalls (WAFs) with rules targeting common XSS attack patterns to provide an additional layer of defense. 3. Educate users about the risks of interacting with suspicious links or content, emphasizing caution to reduce successful exploitation via social engineering. 4. Monitor application logs and network traffic for unusual activity indicative of attempted XSS attacks. 5. Segregate and limit user privileges within the application to minimize potential damage from compromised accounts. 6. Regularly check IBM security advisories for patches or updates addressing this vulnerability and apply them promptly once available. 7. Consider implementing Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in the application context. 8. Conduct security assessments and penetration testing focused on web interface input handling to identify and remediate similar issues proactively.