What is CVE-2025-27889?

CVE-2025-27889 is a low-severity vulnerability in Wftpserver Wing Ftp Server, classified under CWE-15. CVSS score: 3.4/10. Published 2025-07-10.

How severe is CVE-2025-27889?

Low severity. CVSS v3 base score is 3.4 out of 10.

Is CVE-2025-27889 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Wftpserver Wing Ftp Server

CVE-2025-27889

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…

EPSS: 0.004 (58.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N.

Affected products

Wftpserver Wing Ftp Server — versions 0

Weakness classification (CWE)

CWE-15

Public proof-of-concept exploits

MrTuxracer/advisories

References

Frequently asked questions

What is CVE-2025-27889?: CVE-2025-27889 is a low-severity vulnerability in Wftpserver Wing Ftp Server, classified under CWE-15. CVSS score: 3.4/10. Published 2025-07-10.
How severe is CVE-2025-27889?: Low severity. CVSS v3 base score is 3.4 out of 10.
Is CVE-2025-27889 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.