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Vulnerability · Published Dec 22, 2025 · Assigned by VulDB

CVE-2025-15009liweiyi ChestnutCMS Filename upload FilenameUtils.getExtension unrestricted upload

Medium 6.3

In plain English

A medium-severity unrestricted file upload in ChestnutCMS from liweiyi. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 29% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.3%top 71.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
liweiyi ChestnutCMS 1.5.01.5.11.5.21.5.31.5.41.5.51.5.61.5.7

Weakness: CWE-434, CWE-284 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References