Exploited. On CISA's list since 2026-03-16.
Wing FTP Server Information Disclosure Vulnerability
CVE-2025-47813 · Wing FTP Server Wing FTP Server · Published 2025-07-10
How bad would it be?
4.3 out of 10
CVSS rates it medium.
How likely is it to be used?
63%
Estimated chance of exploitation in the next 30 days, among the top 1% of all scored flaws (EPSS, 2026-10-29).
Is it already being used?
Yes
CISA has seen it exploited in real attacks. For US government agencies the fix is deadline passed 214 days ago (2026-03-30).
What CISA says to do
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Wing FTP Server contains a generation of error message containing sensitive information vulnerability when using a long value in the UID cookie.
What the flaw is
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.
From the NVD.
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Understand the kind of weakness behind this flaw. These resources teach the weakness, rather than reproduce this specific CVE. Follow the vendor's advice above to fix the affected product.
CWE-209 · CISA KEV; NVD record: cve@mitre.org. We have not selected a close learning match for this label.
CWE is a catalogue of weakness types. Labels come from the sources shown and can differ or change. Resource matches reviewed 16 October 2026.
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Exploited flaws from CISA's KEV catalogue. Chance of exploitation from EPSS by FIRST. Descriptions and scores from the NVD. This product uses the NVD API but is not endorsed or certified by the NVD.