CVE-2025-12347: MaxSite CMS save-file-ajax.php unrestricted upload

Published Oct 28, 2025
·
Updated

A flaw has been found in MaxSite CMS up to 109. This issue affects some unknown processing of the file application/maxsite/admin/plugins/editorfiles/save-file-ajax.php. Executing manipulation of the argument filepath/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 Software

2 affected components
Maxsite CMS<=109
Max-3000 Maxsite Cms<=109

Event History

Oct 28, 2025
CVE Published
via MITRE·02:02 AM
Data Sourced
via MITRE·02:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-12347?

CVE-2025-12347 is considered a critical vulnerability due to its potential for unrestricted file uploads.

2

How do I fix CVE-2025-12347?

To fix CVE-2025-12347, update MaxSite CMS to the latest version beyond 109 to mitigate the vulnerability.

3

What type of vulnerability is CVE-2025-12347?

CVE-2025-12347 is classified as a file upload vulnerability which allows attackers to manipulate file paths.

4

What impact does CVE-2025-12347 have?

The impact of CVE-2025-12347 includes the potential for attackers to upload malicious files to the server.

5

Which versions of MaxSite CMS are affected by CVE-2025-12347?

MaxSite CMS versions up to and including 109 are affected by CVE-2025-12347.

Company

Resources

Contact

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CVE-2025-12347 - MaxSite CMS save-file-ajax.php unrestricted upload - SecAlerts