HCL iNotes is susceptible to a Reflected Cross-site Scripting (XSS) vulnerability caused by improper validation of user-supplied input. A remote, unauthenticated attacker can specially craft a URL to execute script in a victim's Web browser within the security context of the hosting Web site and/or steal the victim's cookie-based authentication credentials.
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0127032