VulnerabilityAnalyzed
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.
HIGH 8.8EPSS 0.44%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.44% probability · 37th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-15
- Affected
- wftpserver/wing ftp server
- Source
- cve@mitre.org
References
- https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-27889.txtExploit, Third Party Advisory
- https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/Exploit, Third Party Advisory
- https://www.wftpserver.com/wftpserver.htmBroken Link
- https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.