CVE-2023-53959

9.8 CRITICAL
Published: December 19, 2025 Modified: April 09, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://filezilla-project.org/
Source: disclosure@vulncheck.com
Product
https://www.exploit-db.com/exploits/51267
Source: disclosure@vulncheck.com
Exploit Third Party Advisory VDB Entry
https://www.vulncheck.com/advisories/filezilla-client-dll-hijacking-via-missing-textshapingdll
Source: disclosure@vulncheck.com
Third Party Advisory

3 reference(s) from NVD

Quick Stats

CVSS v3 Score
9.8 / 10.0
EPSS (Exploit Probability)
0.3%
52th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-427

Affected Vendors

filezilla-project

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