High severity · published Jul 10, 2025
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
8.8
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 43% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WF
Wing Ftp Server · Wftpserver
before 7.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-27889
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-27889
Exploit
https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txt
Exploit
https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/
Broken Link
https://www.wftpserver.com/wftpserver.htm
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