CVE-2025-15009

Name: CVE-2025-15009
Creator: NVD / NIST
Published: 2025-12-22T03:15:47.31+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 2.1/10EPSS 0.29%

Last modified Jun 17, 2026

CVE-2025-15009 is a low-severity vulnerability rated 2.1/10 on the CVSS scale. 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. EPSS estimates a 0.29% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8.8/10

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

CVSS 4.0

2.1/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.29%

21.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
1000mz	Chestnutcms	<= 1.5.8

References

https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.mdExploit, Third Party Advisory
https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md#vulnerability-proofExploit, Third Party Advisory
https://vuldb.com/?ctiid.337715Permissions Required, VDB Entry
https://vuldb.com/?id.337715Third Party Advisory, VDB Entry
https://vuldb.com/?submit.719590Third Party Advisory, VDB Entry

Timeline

Published: Dec 22, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-15009?

How severe is CVE-2025-15009?

CVE-2025-15009 has a CVSS score of 2.1/10 (LOW severity). The EPSS model estimates a 0.29% probability of exploitation in the next 30 days.

How do I fix CVE-2025-15009?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-15009?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST