{"id":"CVE-2026-94104","title":"NivoCart through 2.4.0 contains an arbitrary file upload vulnerability in the File Manager multi() endpoint that fails to validate file extensions for new filenames or when chunks parameter is 2 or higher","summary":"NivoCart through 2.4.0 contains an arbitrary file upload vulnerability in the File Manager multi() endpoint that fails to validate file extensions for new filenames or when chunks parameter is 2 or higher. Attackers with view-only back-o…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-434"],"vendor":"nivocart","product":"nivocart","affected":["nivocart <= 2.4.0"],"published":"2026-09-20","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:43:58.793","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94104","references":[{"url":"https://github.com/nivocart/nivocart","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nivocart/nivocart/blob/6ea6600cda1263ae70c0aab0a70d31091a32c46b/upload/admin/controller/common/filemanager.php#L527-L562","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nivocart/nivocart/blob/6ea6600cda1263ae70c0aab0a70d31091a32c46b/upload/admin/controller/common/filemanager_full.php","label":"disclosure@vulncheck.com"},{"url":"https://github.com/nivocart/nivocart/issues/25","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/nivocart-through-2.4.0-arbitrary-file-upload-rce-via-filemanager","label":"disclosure@vulncheck.com"}],"tags":["nvd","cve.org"],"epss":0.00671,"epssPercentile":0.50566,"ingestedAt":"2026-09-20T11:20:23.395Z","slug":"CVE-2026-94104","body":"## Overview\n\nNivoCart through 2.4.0 contains an arbitrary file upload vulnerability in the File Manager multi() endpoint that fails to validate file extensions for new filenames or when chunks parameter is 2 or higher. Attackers with view-only back-office access can upload PHP files to the web-accessible image/data/ directory and execute them for remote code execution.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}