{"id":"CVE-2026-94104","summary":"NivoCart through 2.4.0 Arbitrary File Upload RCE via filemanager","details":"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-office access can upload PHP files to the web-accessible image/data/ directory and execute them for remote code execution.","modified":"2026-09-21T03:46:04.015981331Z","published":"2026-09-20T11:09:38.898Z","database_specific":{"cna_assigner":"VulnCheck","cwe_ids":["CWE-434"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94104.json"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/94xxx/CVE-2026-94104.json"},{"type":"PACKAGE","url":"https://github.com/nivocart/nivocart"},{"type":"ARTICLE","url":"https://github.com/nivocart/nivocart/blob/6ea6600cda1263ae70c0aab0a70d31091a32c46b/upload/admin/controller/common/filemanager.php#L527-L562"},{"type":"ARTICLE","url":"https://github.com/nivocart/nivocart/blob/6ea6600cda1263ae70c0aab0a70d31091a32c46b/upload/admin/controller/common/filemanager_full.php"},{"type":"REPORT","url":"https://github.com/nivocart/nivocart/issues/25"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-94104"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/nivocart-through-2.4.0-arbitrary-file-upload-rce-via-filemanager"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/nivocart/nivocart","events":[{"introduced":"0"},{"last_affected":"6ea6600cda1263ae70c0aab0a70d31091a32c46b"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"2.4.0"}],"source":"AFFECTED_FIELD"}}],"versions":["v2.4.0","v2.3.3","v2.3.2","v2.3.1","v2.3.0","v2.2.1","v2.2.0","v2.1.0","v2.0.0","v1.0.4","v1.0.3","v1.0.2","v1.0.1","v1.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-94104.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}]}