CVE-2025-27889: Wftpserver Wing FTP Server

High severity, CVSS 8.8. EPSS: 0.5% chance of exploitation in the next 30 days.

Wing FTP Server before 7.4.4 does not properly validate and sanitize the url parameter of the downloadpass.html endpoint, allowing injection of an arbitrary link. If a user clicks a crafted link, this discloses a cleartext password to the attacker.

Affected products

• Wftpserver Wing FTP Server: before 7.4.4 (fixed in 7.4.4)

Published 2025-07-10. Last modified 2026-06-17.