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    CVE-2023-53959

    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:Dec 19, 2025
    Last Modified:Apr 9, 2026
    EPS:Dec 19, 2025
    EPSS Score:0.00294
    CVSS Score:9.8

    Affected Products

    Vendor
    Filezilla-project
    Product
    Filezilla Client

    Exploits

    https://www.exploit-db.com/exploits/51267

    Common Weakness Enumeration

    CWE-427 Uncontrolled Search Path Element

    Related CVEs

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    CVE-2016-15003 (CVSS 6.3) — A vulnerability has been found in FileZilla Client 3.17.0.0 and classified as problematic. This vulnerability …
    CVE-2022-29620 (CVSS 6.5) — FileZilla v3.59.0 allows attackers to obtain cleartext passwords of connected SSH or FTP servers via a memory …
    CVE-2019-5429 (CVSS 7.8) — Untrusted search path in FileZilla before 3.41.0-rc1 allows an attacker to gain privileges via a malicious 'fz…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High