CVE-2025-27889
Last modified
CVE-2025-27889 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. 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.. EPSS estimates a 0.41% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wftpserver | Wing Ftp Server | < 7.4.4 |
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
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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