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TI-2025-04053 Aliases CVE-2025-4538GHSA-h26h-5ww8-xhfr

kkFileView fileUpload unrestricted upload

Priority MEDIUM 57CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass, Code execution
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-284 and CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00429 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—kkFileView4.4.0—No fix listedCNA
  • kkFileView Vendor— Affected 4.4.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:keking:kkfileview:4.4.0:*:*:*:*:*:*:*4.4.0VulnerableKeking
  • cpe:2.3:a:keking:kkfileview:4.4.0:*:*:*:*:*:*:* Versions 4.4.0 Vulnerable ·Keking

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-4538
  2. 2026-10-03 Alias added: GHSA-h26h-5ww8-xhfr

References

Exploit 1

  • TI-2022-20422 kkFileView 4.0 is vulnerable to Server-side request forgery (SSRF) via controller\OnlinePreviewController.java. CVSS 3.1CRITICAL 9.8
  • TI-2022-21050 kkFileView v4.1.0 was discovered to contain a Server-Side Request Forgery (SSRF) via the… CVSS 3.1HIGH 7.5
  • TI-2022-23251 kkFileView v4.1.0 was discovered to contain a cross-site scripting (XSS) vulnerability… CVSS 3.1MEDIUM 6.1
  • TI-2022-20421 kkFileView 4.0 is vulnerable to Cross Site Scripting (XSS) via controller\ Filecontroller.java. CVSS 3.1MEDIUM 6.1
  • TI-2022-19461 kkFileView v4.1.0 is vulnerable to Cross Site Scripting (XSS) via the parameter 'errorMsg.' CVSS 3.1MEDIUM 6.1
  • TI-2021-19548 kkFileview v4.0.0 has arbitrary file read through a directory traversal vulnerability… CVSS 3.1HIGH 7.5
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences