CVE-2025-15009

Medium

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.

SeverityMedium

CVSS6.3

Exploit probability—

Product1000mz Chestnutcms

PublishedDec 22, 2025

First seenDec 22, 2025

Weakness typeCWE-434Unrestricted upload of dangerous file type CWE-284Improper access control

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

Product	Affected versions	Fixed in
1000mz chestnutcms	v ≤ 1.5.8	—

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