CVE-2025-15009HIGH 8.8EPSS p20.8%

CVE-2025-15009CVE-2025-15009

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.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.29% probability of exploitation · percentile 20.8% · 2026-06-19T12:03:05Z
Published2025-12-22
Last modified2026-04-29

Underlying weaknesses· 2

CWE-284CWE-434

References

  1. https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md
  2. https://github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Upload.md#vulnerability-proof
  3. https://vuldb.com/?ctiid.337715
  4. https://vuldb.com/?id.337715
  5. https://vuldb.com/?submit.719590

2

TypeTargetConfidenceTier
WeaknessImproper Access Controlcwe-2840%live
WeaknessUnrestricted Upload of File with Dangerous Typecwe-4340%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.