Multiple cross-site scripting (XSS) vulnerabilities in Proxmox Mail Gateway before 3.1-5829 allow remote attackers to inject arbitrary web script or HTML via the (1) state parameter to objects/who/index.htm or (2) User email address to quarantine/spam/manage.htm.
Improper Neutralization of Input During Web Page Generation 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.