CVE-2025-4538

Public Exploit
kkFileView fileUpload unrestricted upload

Description

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.

Categories

5.3
CVSS
Severity: Medium
CVSS 4.0 •
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.04%
Third-Party Advisory vuldb.com Third-Party Advisory vuldb.com
Affected: n/a kkFileView
Published at:
Updated at:

References

Link Tags
https://vuldb.com/?id.308283 vdb entry technical description third party advisory
https://vuldb.com/?ctiid.308283 permissions required vdb entry signature
https://vuldb.com/?submit.566596 vdb entry third party advisory
https://magnificent-dill-351.notion.site/Arbitrary-File-Upload-in-kkFileView-4-4-0-1e3c693918ed802581faccab9140a130 broken link exploit

Frequently Asked Questions

What is the severity of CVE-2025-4538?
CVE-2025-4538 has been scored as a medium severity vulnerability.
How to fix CVE-2025-4538?
To fix CVE-2025-4538, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-4538 being actively exploited in the wild?
It is possible that CVE-2025-4538 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-4538?
CVE-2025-4538 affects n/a kkFileView.
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