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TI-2025-20621 Aliases CVE-2025-27889GHSA-vv9j-pvh3-xwg4

Wing FTP Server before 7.4.4 does not properly validate and sanitize the url parameter of…

Priority HIGH 71CWE-15Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.005 43rd percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed Wing FTP Server (wftpserver): 7.4.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Wing FTP ServerWing FTP Serverbefore 7.4.47.4.4Patch availableCNA
  • Wing FTP Server VendorWing FTP Server Affected before 7.4.4 Fixed in 7.4.4 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wftpserver:wing_ftp_server:*:*:*:*:*:*:*:*before 7.4.4VulnerableWing FTP Server
  • cpe:2.3:a:wftpserver:wing_ftp_server:*:*:*:*:*:*:*:* Versions before 7.4.4 Vulnerable ·Wing FTP Server

Remediation

  • Fix · CNA Wing FTP Server (wftpserver) Fixed in 7.4.4

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    wftpserver Wing FTP Server 7.4.4

    3 records Highest priority Priority CRITICAL 1 CRITICAL, 2 HIGH

    Other records, highest priority first

    • TI-2025-30265 In Wing FTP Server before 7.4.4.Priority CRITICAL 100
    • TI-2025-30266 Information disclosure through error messages in Wing FTP ServerPriority HIGH 79
    Show all 3 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-27889
  2. 2026-10-03 Alias added: GHSA-vv9j-pvh3-xwg4

References

Exploit 2

Other 1

  • TI-2025-30265 In Wing FTP Server before 7.4.4. KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-30266 Information disclosure through error messages in Wing FTP Server KEVCVSS 3.1MEDIUM 4.3
  • TI-2020-19167 Wing FTP Server 6.3.8 - Remote Code Execution CVSS 4.0HIGH 8.6
  • TI-2019-15321 Wing FTP Server 6.0.7 - Unquoted Service Path CVSS 4.0HIGH 8.5
  • TI-2025-04662 Wing FTP Server Lua Admin Console unnecessary privileges CVSS 4.0HIGH 7.5
  • TI-2025-30264 In Wing FTP Server through 7.4.4, the administrative web interface (listening by default… CVSS 3.1MEDIUM 6.6
See all 19 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences