What’s Vulnerable › Vulnerabilities

CVE-2025-47813: Wing FTP Server Information Disclosure Vulnerability

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: yes — in CISA KEV since 2026-03-16
• EPSS: 62.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-07-10 · updated 2026-06-17
• Weakness: CWE-209

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.

Affected products

• Wing FTP Server: before 7.4.4 — fixed in 7.4.4

How to fix

Upgrade to a fixed version: Wing FTP Server 7.4.4. Check the vendor advisory for mitigations.

References

• https://github.com/MrTuxracer/advisories/blob/master/CVEs/CVE-2025-47813.txt
• https://www.rcesecurity.com/2025/06/what-the-null-wing-ftp-server-rce-cve-2025-47812/
• https://www.wftpserver.com
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-47813

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