Medium 6.3Published Dec 21, 2025

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

Updated under an hour ago (Oct 26, 2026, 1:10 PM ET)

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It affects liweiyi ChestnutCMS and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for liweiyi ChestnutCMS

Exploited in the last 30 days

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: 6.3 MEDIUM (v3.1, CNA)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
Weakness (CWE): CWE-434, CWE-284
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Dec 22, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

liweiyi ChestnutCMS liweiyi:chestnutcms (from the name)	1.5.0; 1.5.1; 1.5.2; 1.5.3; 1.5.4; 1.5.5; 1.5.6; 1.5.7; and 1 more ranges	CNA record
1000mz chestnutcms 1000mz:chestnutcms	through 1.5.8	NVD

References

References

https://vuldb.com/?id.337715	vdb-entry, technical-description, third-party-advisory
https://vuldb.com/?ctiid.337715	signature, permissions-required, vdb-entry
https://vuldb.com/?submit.719590	third-party-advisory, vdb-entry
https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md	related, exploit, third-party-advisory
https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md#vulnerability-proof	exploit, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.