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.
Affected products
1000mz: chestnutcms
References5
- github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Uplo… ExploitThird Party Advisory
- github.com/yuccun/CVE/blob/main/ChestnutCMS-Arbitrary_File_Uplo… ExploitThird Party Advisory
- vuldb.com/?ctiid.337715 Permissions RequiredVDB Entry
- vuldb.com/?id.337715 Third Party AdvisoryVDB Entry
- vuldb.com/?submit.719590 Third Party AdvisoryVDB Entry
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - CVSS 4.0
-
2.1
LOW
Score source: CNA
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 — exploit probability
- 0% percentile: 29 · as of 11 November 2026
- CWE
- CWE-284CWE-434
Could this be exploited in your environment?
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