What is CVE-2025-47813?

CVE-2025-47813 is a medium-severity vulnerability in Wftpserver Wing FTP Server, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2025-07-10.

How severe is CVE-2025-47813?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2025-47813 known to be exploited?

Yes. CVE-2025-47813 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-03-16), indicating it is being actively exploited. 1 public proof-of-concept repositories are indexed.

Information disclosure in Wftpserver Wing FTP Server

CVE-2025-47813

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.

Published 2025-07-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.625 (99.2th percentile), scored 2026-10-19.

High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.630 · newest: 0.625 · change: -0.005

Affected products

Wftpserver Wing FTP Server — versions 0
Wftpserver Wing FTP Server

Weakness classification (CWE)

CWE-209 — Generation of Error Message Containing Sensitive Information

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on 2026-03-16. CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: 2026-03-30.

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.

Public proof-of-concept exploits

MrTuxracer/advisories

References

www.wftpserver.com (Product)
www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/ (Exploit, Third Party Advisory)
github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-47813.txt (Exploit, Third Party Advisory)
134c704f-9b21-4f2e-91b3-4a467353bcc0 (US Government Resource)

Frequently asked questions

What is CVE-2025-47813?: CVE-2025-47813 is a medium-severity vulnerability in Wftpserver Wing FTP Server, classified under Generation of Error Message Containing Sensitive Information. CVSS score: 4.3/10. Published 2025-07-10.
How severe is CVE-2025-47813?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-47813 known to be exploited?: Yes. CVE-2025-47813 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2026-03-16), indicating it is being actively exploited. 1 public proof-of-concept repositories are indexed.