CVE-2023-53959
FileZilla FTP Client vulnerability analysis and mitigation

FileZilla Client 3.63.1 contains a DLL hijacking vulnerability that allows attackers to execute malicious code by placing a crafted TextShaping.dll in the application directory. Attackers can generate a reverse shell payload using msfvenom and replace the missing DLL to achieve remote code execution when the application launches.


SourceNVD

Related FileZilla FTP Client vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2023-53959HIGH8.5
  • FileZilla FTP ClientFileZilla FTP Client
  • cpe:2.3:a:filezilla-project:filezilla_client
NoYesDec 19, 2025
CVE-2016-15003HIGH7.8
  • FileZilla FTP ClientFileZilla FTP Client
  • cpe:2.3:a:filezilla-project:filezilla_client
NoYesJul 18, 2022
CVE-2019-25683MEDIUM6.9
  • FileZilla FTP ClientFileZilla FTP Client
  • cpe:2.3:a:filezilla-project:filezilla_client
NoNoApr 05, 2026
CVE-2024-31497MEDIUM5.9
  • NixOSNixOS
  • libfilezilla
NoYesApr 15, 2024
CVE-2023-48795MEDIUM5.9
  • PythonPython
  • rqlite
NoYesDec 18, 2023

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