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Vulnerability record · CVE-2025-15009 · published 22 December 2025

CVE-2025-15009: 1000mz chestnutcms improper access control vulnerability

11000mz · Chestnutcms

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.

2.1 CVSS 4.0 Low EPSS 0.35% · top 73.7% CWE-284 · Improper access controlCWE-434 · Unrestricted file upload
2.1CVSS 4.0 base score, v2 6.5
0.35%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
5References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

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:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md ExploitThird Party Advisory
https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md#vulnerability-proof ExploitThird Party Advisory
https://vuldb.com/?ctiid.337715 Permissions RequiredVDB Entry
https://vuldb.com/?id.337715 Third Party AdvisoryVDB Entry
https://vuldb.com/?submit.719590 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2025-15009), CISA KEV, FIRST EPSS (scores of 2026-10-06). This page is refreshed as NVD updates the record.