Temenos T24 release 20 contains a reflected cross-site scripting vulnerability via the routineName parameter at genrequest.jsp. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.
Successful exploitation of this vulnerability could allow an attacker to inject malicious scripts into web pages viewed by users, leading to potential data theft, session hijacking, or defacement of the affected application.
Apply the latest security patches or updates provided by the vendor to fix this vulnerability. Additionally, implement input validation and output encoding to prevent XSS attacks.
