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Fencer Vulns
medium 4.3

CVE-2025-47813 kev in the critical feed json

loginok.html in Wing FTP Server before 7.4.4 discloses the full local installation path of the application when using a long value in the U…

published 2025-07-10 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-21020

cvss
4.3
version 3.1, CNA
cisa kev
Exploited
added 2026-03-16
epss
62.5%
EPSS 62.5% chance of exploitation in 30 days, percentile 99.1%
public exploits
0
none known, plus a Nuclei check

Summary

loginok.html in Wing FTP Server before 7.4.4 discloses the full local installation path of the application when using a long value in the UID cookie.

Patch / fix

cisa required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

  • wftpserver Wing FTP Server 7.4.4

Timeline

  1. Published
  2. Added to CISA KEV
  3. CISA SSVC: exploitation active
  4. CISA patch deadline

Known exploited

Added
7 mo ago
Patch by
2026-03-30 (7 mo ago)
Ransomware
Not known
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor, product
Wing FTP Server, Wing FTP Server
CISA name
Wing FTP Server Information Disclosure Vulnerability

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
no
Technical impact
total
Assessed
7 mo ago

Exploit prediction

62.51% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • Nuclei template Wing FTP Server <= 7.4.3 - Path Disclosure via Overlong UID Cookie nuclei detection template
  • rcesecurity.com https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-47813.txt referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

  • wftpserver Wing FTP Server

Classification

Weakness
  • CWE-209 Generation of Error Message Containing Sensitive Information

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.