CVE-2023-53959 — Uncontrolled Search Path Element in Filezilla Client

CWE-427 — Uncontrolled Search Path Element7 documents6 sources
Severity
8.5HIGHNVD
EPSS
0.3%
top 47.75%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Filezilla-project Filezilla Client
Timeline
PublishedDec 19

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.

CVSS vector

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

Affected Packages2 packages

🔴Vulnerability Details

3
GHSA
GHSA-4h23-hj4v-f4xg: FileZilla Client 3↗2025-12-19
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CVEList
FileZilla Client 3.63.1 DLL Hijacking via Missing TextShaping.dll↗2025-12-19
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OSV
CVE-2023-53959: FileZilla Client 3↗2025-12-19
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📋Vendor Advisories

1
Debian
CVE-2023-53959: filezilla - FileZilla Client 3.63.1 contains a DLL hijacking vulnerability that allows attac...↗2023
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🕵️Threat Intelligence

2
Wiz
CVE-2023-53959 Impact, Exploitability, and Mitigation Steps | Wiz↗
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Wiz
CVE-2019-25683 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2023-53959 — Uncontrolled Search Path Element | cvebase