---
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: '2026-09-24'
sourceUpdated: '2026-09-24T12:17:13.683'
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
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-24T11:52:29.819478Z'
epss: 0.00952
epssPercentile: 0.59682
ingestedAt: '2026-09-20T11:20:23.395Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.