Threat Intelligence / CVE / CVE-2025-27889

CVE-2025-27889

CVSS 3.4 (LOW) · EPSS 0.1% · 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.

CVSS v3 vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N

Weaknesses (CWE)

CWE-15

Threats tracking this CVE

Wing FTP Server RCE Exploit Chain — Lua Code Injection via NULL Byte (CVE-2025-47812 CVSS 10.0 + CVE-2025-47813) — CRITICAL

References

https://github.com/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/
https://www.wftpserver.com/wftpserver.htm
https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/

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