CVE-2025-47813
MediumExploitedPublic exploitloginok.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.
Published Jul 10, 2025 · Updated Mar 17, 2026
Key Facts
Patch immediately- CVE-2025-47813 is a medium-severity vulnerability (CVSS 4.3 v3.1) affecting Wing FTP Server (Wftpserver).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 16, 2026. Public exploit code is available.
- EPSS estimates a 63% probability of exploitation in the next 30 days.
- Fixed versions are available, including Wing FTP Server 7.4.4.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
4.3
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS (30-day exploit likelihood)
63%
Higher than 99.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2025-47813 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Mar 16, 2026 | Mar 30, 2026 | Not reported |
| Industry KEV feed | Mar 16, 2026 | Mar 30, 2026 | Not reported |
| CIRCL KEV | Mar 16, 2026 | Mar 30, 2026 | Not reported |
| ENISA EUVD | Mar 16, 2026 | n/a | Not reported |
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.
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Wing FTP ServerWftpserver | See advisory | 7.4.4 |
Patched Releases
Wing FTP Server
7.4.4
Timeline
Publicly disclosed
Jul 10, 2025
Added to CISA KEV
Mar 16, 2026
Added to Industry KEV feed
Mar 16, 2026
Added to CIRCL KEV
Mar 16, 2026
Added to ENISA EUVD
Mar 16, 2026
Last updated
Mar 17, 2026
Weakness Type
- CWE-209 Generation of Error Message Containing Sensitive Information
References
- exploithttps://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-47813.txt
- exploitVulnCheck exploitation report
- exploithttps://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/
- otherhttps://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47813
- otherhttps://www.wftpserver.com
FAQ
Common Questions.
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.
Affected: Wing FTP Server (Wftpserver). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 16, 2026.
Yes. It was added on Mar 16, 2026 with a federal remediation due date of Mar 30, 2026.
Public exploit code is available.
Fixed versions are available, including Wing FTP Server 7.4.4.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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