CVE-2025-15009

MEDIUM

1000mz Chestnutcms < 1.5.8 - Improper Access Control

Title source: rule

Description

A flaw has been found in liweiyi ChestnutCMS up to 1.5.8. This vulnerability affects the function FilenameUtils.getExtension of the file /dev-api/common/upload of the component Filename Handler. Executing manipulation of the argument File can lead to unrestricted upload. The attack may be launched remotely. The exploit has been published and may be used.

References (5)

[Third Party Advisory, VDB Entry] https://vuldb.com/?id.337715

[Permissions Required, VDB Entry] https://vuldb.com/?ctiid.337715

[Third Party Advisory, VDB Entry] https://vuldb.com/?submit.719590

[Exploit, Third Party Advisory] https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md

[Exploit, Third Party Advisory] https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md#vulnerability-proof

View Exploit ZIP pw:eip

Scores

CVSS v3 6.3

EPSS 0.0006

EPSS Percentile 19.1%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-284 CWE-434

Status published

Products (1)

1000mz/chestnutcms < 1.5.8

Published Dec 22, 2025

Tracked Since Feb 18, 2026