Vulnerability 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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Wftpserver | Wing Ftp Server | < 7.4.4 |
Related Weaknesses (CWE)
References
- https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txtExploitThird Party Advisory
- https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-4ExploitThird Party Advisory
- https://www.wftpserver.com/wftpserver.htmBroken Link
- https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-4ExploitThird Party Advisory
FAQ
What is CVE-2025-27889?
CVE-2025-27889 is a vulnerability with a CVSS score of 3.4 (LOW). 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...
How severe is CVE-2025-27889?
CVE-2025-27889 has been rated LOW with a CVSS base score of 3.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-27889?
Check the references section above for vendor advisories and patch information. Affected products include: Wftpserver Wing Ftp Server.