CVE-2023-53959 | THREATINT

Description

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.

PUBLISHED Reserved 2025-12-19 | Published 2025-12-19 | Updated 2025-12-19 | Assigner VulnCheck

HIGH: 8.5CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Uncontrolled Search Path Element

Product status

3.63.1

affected

Credits

Bilal Qureshi finder

References

www.exploit-db.com/exploits/51267 (ExploitDB-51267) exploit

filezilla-project.org/ (Official Product Homepage) product

www.vulncheck.com/...ll-hijacking-via-missing-textshapingdll (VulnCheck Advisory: FileZilla Client 3.63.1 DLL Hijacking via Missing TextShaping.dll) third-party-advisory

cve.org (CVE-2023-53959)

nvd.nist.gov (CVE-2023-53959)

Download JSON