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 attacker.

CVSS v3.1

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

CVSS v3.1

3.4 LOWCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N

EPSS

0.42% chance of exploitation in the next 30 days, 35th percentile

Published

2025-07-10

Proof-of-concept exploits (2)

• MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txt
• https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/

References

• CVE Record
• NVD entry

Related

• CVE-2022-2536
• CVE-2022-3747
• CVE-2022-3861
• CVE-2023-22620
• CVE-2023-22897
• CVE-2025-47813