CVE-2025-27889

high

Description

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.

References

https://www.bleepingcomputer.com/news/security/hackers-are-exploiting-critical-rce-flaw-in-wing-ftp-server/

https://www.wftpserver.com/wftpserver.htm

https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/

https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txt

Details

Source: Mitre, NVD

Published: 2025-07-10

Updated: 2025-07-17

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 8.8

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.00027