CVE-2025-4538 is a critical unrestricted file upload vulnerability affecting kkFileView version 4.4.0, specifically within the /fileUpload component. This flaw allows an unauthenticated attacker to remotely upload arbitrary files, potentially leading to full compromise of the affected system. With a CVSS score of 9.8, the vulnerability is easily exploitable over the network with low complexity and no user interaction required, enabling high impact to confidentiality, integrity, and availability. While no active exploitation has been confirmed, public exploit details are available, and the vendor has not responded to disclosure, necessitating immediate mitigation.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.4.0CPE matchmatch criteria | cpe:2.3:a:keking:kkfileview:4.4.0:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
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:X/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
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.