MaxSite CMS up to 109 save-file-ajax.php file_path/content unrestricted upload

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.9$0-$5k0.79

Summaryinfo

A vulnerability has been found in MaxSite CMS up to 109 and classified as critical. Impacted is an unknown function of the file application/maxsite/admin/plugins/editor_files/save-file-ajax.php. The manipulation of the argument file_path/content leads to unrestricted upload. This vulnerability is uniquely identified as CVE-2025-12347. The attack is possible to be carried out remotely. Moreover, an exploit is present. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability was found in MaxSite CMS up to 109. It has been rated as critical. This issue affects an unknown part of the file application/maxsite/admin/plugins/editor_files/save-file-ajax.php. The manipulation of the argument file_path/content with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability.

The advisory is shared at note-hxlab.wetolink.com. The identification of this vulnerability is CVE-2025-12347. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1608.002 for this issue.

The exploit is available at note-hxlab.wetolink.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way. By approaching the search of inurl:application/maxsite/admin/plugins/editor_files/save-file-ajax.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-36424). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 7.1
VulDB Meta Temp Score: 6.9

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔒

CNA Base Score: 6.3
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Unrestricted upload
CWE: CWE-434 / CWE-284 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/27/2025 Advisory disclosed
10/27/2025 +0 days VulDB entry created
11/07/2025 +11 days VulDB entry last update

Sourcesinfo

Advisory: note-hxlab.wetolink.com
Status: Not defined

CVE: CVE-2025-12347 (🔒)
GCVE (CVE): GCVE-0-2025-12347
GCVE (VulDB): GCVE-100-330137
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 10/27/2025 15:19
Updated: 11/07/2025 22:50
Changes: 10/27/2025 15:19 (57), 10/28/2025 04:29 (1), 10/28/2025 10:42 (30), 11/07/2025 22:50 (11)
Complete: 🔍
Submitter: V3geD4g
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #674552: MaxSite CMS 109 file writing vulnerability (by V3geD4g)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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