---
id: CVE-2025-12347
title: A flaw has been found in MaxSite CMS up to 109
summary: >-
  A flaw has been found in MaxSite CMS up to 109. This issue affects some
  unknown processing of the file
  application/maxsite/admin/plugins/editor_files/save-file-ajax.php. Executing
  manipulation of the argument file_path/content can lead t…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L'
cwe:
  - CWE-284
  - CWE-434
  - CWE-434
vendor: max-3000
product: maxsite_cms
affected:
  - maxsite_cms <= 109
published: '2025-10-28'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T11:10:00.250'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-12347'
references:
  - url: 'https://note-hxlab.wetolink.com/share/lIWZkTHQPSVh'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?ctiid.330137'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?id.330137'
    label: cna@vuldb.com
  - url: 'https://vuldb.com/?submit.674552'
    label: cna@vuldb.com
tags:
  - nvd
epss: 0.00396
epssPercentile: 0.31707
ingestedAt: '2026-10-08T11:31:27.659Z'
---

## Overview

A flaw has been found in MaxSite CMS up to 109. This issue affects some unknown processing of the file application/maxsite/admin/plugins/editor_files/save-file-ajax.php. Executing manipulation of the argument file_path/content can lead to unrestricted upload. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## Affected

- `maxsite_cms <= 109`

## Remediation

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