Microsoft Dynamics 365 (on-premises) is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote attacker could exploit this vulnerability using a specially-crafted URL to execute script in a victim’s Web browser within the security context of the hosting Web site, once the URL is clicked. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
Microsoft Dynamics 365 9.0 on-premise
Refer to Microsoft advisory for the list of affected products and their respective patches.