CVE-2025-15009A flaw has been found in liweiyi ChestnutCMS up to 1.5.8.
Updated under an hour ago ()
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It affects 1000mz chestnutcms. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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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
- 8.8 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weakness (CWE)
- CWE-284, CWE-434
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jun 17, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
1000mz chestnutcms 1000mz:chestnutcms | through 1.5.8 | NVD |
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
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.