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TI-2020-16820 Aliases CVE-2020-27735GHSA-v47h-2vrq-3gqp

An XSS issue was discovered in Wing FTP 6.4.4.

Priority LOW 36CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

An XSS issue was discovered in Wing FTP 6.4.4. An arbitrary IFRAME element can be included in the help pages via a crafted link, leading to the execution of (sandboxed) arbitrary HTML and JavaScript in the user's browser.

Why it matters now

EPSS 0.05764 93rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:wftpserver:wing_ftp_server:6.4.4:*:*:*:*:*:*:*6.4.4VulnerableWing FTP Server
  • cpe:2.3:a:wftpserver:wing_ftp_server:6.4.4:*:*:*:*:*:*:* Versions 6.4.4 Vulnerable ·Wing FTP Server

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-27735
  2. 2026-10-03 Alias added: GHSA-v47h-2vrq-3gqp

References

  • TI-2025-30265 In Wing FTP Server before 7.4.4. KEVCVSS 3.1CRITICAL 10.0
  • TI-2025-30266 Information disclosure through error messages in Wing FTP Server KEVCVSS 3.1MEDIUM 4.3
  • TI-2020-19167 Wing FTP Server 6.3.8 - Remote Code Execution CVSS 4.0HIGH 8.6
  • TI-2019-15321 Wing FTP Server 6.0.7 - Unquoted Service Path CVSS 4.0HIGH 8.5
  • TI-2025-20621 Wing FTP Server before 7.4.4 does not properly validate and sanitize the url parameter of… CVSS 3.1HIGH 8.8
  • TI-2025-04662 Wing FTP Server Lua Admin Console unnecessary privileges CVSS 4.0HIGH 7.5
See all 19 →

Sources