VMware ESXi and vCenter Server contain a reflected cross-site scripting vulnerability due to improper input validation. A malicious actor with network access to the login page of certain ESXi host or vCenter Server URL paths may exploit this issue to steal cookies or redirect to malicious websites.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.