In Progress WS_FTP Server prior to version 8.7.3, forms within the administrative interface did not include a nonce to mitigate the risk of cross-site request forgery (CSRF) attacks.

In Progress WS_FTP Server prior to version 8.7.3, multiple reflected cross-site scripting (XSS) vulnerabilities exist in the administrative web interface. It is possible for a remote attacker to inject arbitrary JavaScript into a WS_FTP administrator's web session. This would allow the attacker to execute code within the context of the victim's browser.