CVE-2025-27889

Name: CVE-2025-27889
Creator: NVD / NIST
Published: 2025-07-10T17:15:46.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2025-27889 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

0.41%

32.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-15

Affected Software

Vendor	Product	Versions
Wftpserver	Wing Ftp Server	< 7.4.4

References

https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txtExploit, Third Party Advisory
https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/Exploit, Third Party Advisory
https://www.wftpserver.com/wftpserver.htmBroken Link
https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/Exploit, Third Party Advisory

Timeline

Published: Jul 10, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-27889?

How severe is CVE-2025-27889?

CVE-2025-27889 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2025-27889?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-27889?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST