CVE-2025-27889

low-risk
Published 2025-07-10

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.

Do I need to act?

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0.07% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
3
CVSS 3.4/10 Low
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Wftpserver

References (4)

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-2025-4...
Broken Link https://www.wftpserver.com/wftpserver.htm
Exploit https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-4...
17
/ 100
low-risk
Severity 12/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal