--- title: "CVE-2026-94104: NivoCart - Unrestricted File Upload" description: "NivoCart through 2.4.0 contains an arbitrary file upload vulnerability caused by insufficient validation of file extensions in the File Manager multi() endpoint, letting attackers with view-only back-office access upload and execute PHP files remotely, exploit requires view-only back-office access." url: https://panop.io/threat-heartbeat/CVE-2026-94104/ --- # CVE-2026-94104 NivoCart - Unrestricted File Upload NivoCart through 2.4.0 contains an arbitrary file upload vulnerability caused by insufficient validation of file extensions in the File Manager multi() endpoint, letting attackers with view-only back-office access upload and execute PHP files remotely, exploit requires view-only back-office access. CVSS base score 8.8 /10 High CISA KEV Not listed Public exploit None known Authentication Required EPSS 0.67% chance of exploitation in 30 days [View the NVD record ↗](https://nvd.nist.gov/vuln/detail/CVE-2026-94104) ## Details Type Unrestricted File Upload Impact Remote Code Execution, File System Write CVSS vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Published 20 September 2026 Updated 15 October 2026 Weakness [CWE-434](https://cwe.mitre.org/data/definitions/434.html) ## Vendor fix Update to the latest version that patches this vulnerability. Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them. ## References - [https://nvd.nist.gov/vuln/detail/CVE-2026-94104](https://nvd.nist.gov/vuln/detail/CVE-2026-94104) - [https://www.vulncheck.com/advisories/nivocart-through-2.4.0-arbitrary-file-upload-rce-via-filemanager](https://www.vulncheck.com/advisories/nivocart-through-2.4.0-arbitrary-file-upload-rce-via-filemanager) - [https://github.com/nivocart/nivocart](https://github.com/nivocart/nivocart) - [https://github.com/nivocart/nivocart/blob/6ea6600cda1263ae70c0aab0a70d31091a32c46b/upload/admin/controller/common/filemanager.php#L527-L562](https://github.com/nivocart/nivocart/blob/6ea6600cda1263ae70c0aab0a70d31091a32c46b/upload/admin/controller/common/filemanager.php#L527-L562) - [https://github.com/nivocart/nivocart/blob/6ea6600cda1263ae70c0aab0a70d31091a32c46b/upload/admin/controller/common/filemanager\_full.php](https://github.com/nivocart/nivocart/blob/6ea6600cda1263ae70c0aab0a70d31091a32c46b/upload/admin/controller/common/filemanager_full.php) - [https://github.com/nivocart/nivocart/issues/25](https://github.com/nivocart/nivocart/issues/25) [← All CVEs](https://panop.io/threat-heartbeat/) ## What this record can't tell you - Whether you run the affected software, and where - Whether an attacker can actually reach and exploit it - The misconfigurations that never get a CVE number - What it would cost the business, ranked into what to fix first Panop answers these inside your environment, for this CVE and every other finding. [Book a demo](https://panop.io/demo)