{"url":"http://public2.vulnerablecode.io/api/vulnerabilities/306164?format=json","vulnerability_id":"VCID-9rmq-pj9r-3khj","summary":"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.","aliases":[{"alias":"CVE-2023-53959"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/582979?format=json","purl":"pkg:deb/debian/filezilla@0?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/filezilla@0%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/582182?format=json","purl":"pkg:deb/debian/filezilla@3.52.2-3%2Bdeb11u1?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-24cg-zw49-b3ab"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/filezilla@3.52.2-3%252Bdeb11u1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/582183?format=json","purl":"pkg:deb/debian/filezilla@3.63.0-1%2Bdeb12u3?distro=trixie","is_vulnerable":true,"affected_by_vulnerabilities":[{"vulnerability":"VCID-24cg-zw49-b3ab"}],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/filezilla@3.63.0-1%252Bdeb12u3%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/582185?format=json","purl":"pkg:deb/debian/filezilla@3.68.1-1?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/filezilla@3.68.1-1%3Fdistro=trixie"},{"url":"http://public2.vulnerablecode.io/api/packages/582186?format=json","purl":"pkg:deb/debian/filezilla@3.69.6-2?distro=trixie","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:deb/debian/filezilla@3.69.6-2%3Fdistro=trixie"}],"affected_packages":[],"references":[{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2023-53959","reference_id":"","reference_type":"","scores":[{"value":"0.00288","scoring_system":"epss","scoring_elements":"0.52247","published_at":"2026-04-11T12:55:00Z"},{"value":"0.00288","scoring_system":"epss","scoring_elements":"0.52258","published_at":"2026-04-18T12:55:00Z"},{"value":"0.00288","scoring_system":"epss","scoring_elements":"0.52254","published_at":"2026-04-16T12:55:00Z"},{"value":"0.00288","scoring_system":"epss","scoring_elements":"0.52216","published_at":"2026-04-13T12:55:00Z"},{"value":"0.00288","scoring_system":"epss","scoring_elements":"0.52231","published_at":"2026-04-12T12:55:00Z"},{"value":"0.00294","scoring_system":"epss","scoring_elements":"0.52692","published_at":"2026-04-02T12:55:00Z"},{"value":"0.00294","scoring_system":"epss","scoring_elements":"0.52719","published_at":"2026-04-04T12:55:00Z"},{"value":"0.00294","scoring_system":"epss","scoring_elements":"0.52684","published_at":"2026-04-07T12:55:00Z"},{"value":"0.00294","scoring_system":"epss","scoring_elements":"0.52734","published_at":"2026-04-08T12:55:00Z"},{"value":"0.00294","scoring_system":"epss","scoring_elements":"0.52729","published_at":"2026-04-09T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.59027","published_at":"2026-05-09T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.58982","published_at":"2026-05-11T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.59011","published_at":"2026-05-12T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.5908","published_at":"2026-05-14T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.58976","published_at":"2026-04-21T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.58958","published_at":"2026-04-24T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.58975","published_at":"2026-04-26T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.58962","published_at":"2026-04-29T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.58922","published_at":"2026-05-05T12:55:00Z"},{"value":"0.00372","scoring_system":"epss","scoring_elements":"0.5897","published_at":"2026-05-07T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2023-53959"},{"reference_url":"https://www.exploit-db.com/exploits/51267","reference_id":"51267","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"8.5","scoring_system":"cvssv4","scoring_elements":"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"},{"value":"Track","scoring_system":"ssvc","scoring_elements":"SSVCv2/E:N/A:Y/T:T/P:M/B:A/M:M/D:T/2025-12-19T21:28:39Z/"}],"url":"https://www.exploit-db.com/exploits/51267"},{"reference_url":"https://www.vulncheck.com/advisories/filezilla-client-dll-hijacking-via-missing-textshapingdll","reference_id":"filezilla-client-dll-hijacking-via-missing-textshapingdll","reference_type":"","scores":[{"value":"9.8","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"8.5","scoring_system":"cvssv4","scoring_ele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Search Path Element","description":"The product uses a fixed or controlled search path to find resources, but one or more locations in that path can be under the control of unintended actors."}],"exploits":[],"severity_range_score":"8.5 - 9.8","exploitability":null,"weighted_severity":null,"risk_score":null,"resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-9rmq-pj9r-3khj"}