by Kastro
Paper/Archive/CVE-2025-4538

CVE-2025-4538

VulDB — kkFileView fileUpload unrestricted upload

EPSS 0.4%public exploitCVSS 9.8
critical.is priorityof 100
47
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 37.2.372 × 207.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

A vulnerability was found in kkFileView 4.4.0. It has been classified as critical. This affects an unknown part of the file /fileUpload. The manipulation of the argument File leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Affected

ProductAffectedFixed inSource
kkFileView4.4.0–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulDB (CNA)6.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
VulDB (CNA)6.3CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
VulDB (CNA)5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: partial

References

writeupvuldb.com/?id.308283refvuldb.com/?ctiid.308283writeupvuldb.com/?submit.566596exploitmagnificent-dill-351.notion.site/Arbitrary-File-Upload-in-kkFileView-4-4-0-1e3c693918ed802581faccab9140a130