CVE-2025-23918

WordPress Smallerik File Browser plugin <= 1.1 - Arbitrary File Upload vulnerability

9.9 Critical

Unrestricted Upload of File with Dangerous Type vulnerability in Enrico Sandoli Smallerik File Browser smallerik-file-browser allows Upload a Web Shell to a Web Server.This issue affects Smallerik File Browser: from n/a through <= 1.1.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.67%Up 0.6 points since Jan 23, 2025

What each source reports

CVE List Score used 9.9

WordPress Smallerik File Browser plugin <= 1.1 - Arbitrary File Upload vulnerability

Record: CVE-2025-23918
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

EUVDEUVD-2025-3533 9.9

Record: EUVD-2025-3533
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-02

GitHub AdvisoriesGHSA-hjqg-mr87-p6m3 9.9

Unrestricted Upload of File with Dangerous Type vulnerability in NotFound Smallerik File Browser...

Unrestricted Upload of File with Dangerous Type vulnerability in NotFound Smallerik File Browser allows Upload a Web Shell to a Web Server. This issue affects Smallerik File Browser: from n/a through 1.1.

Record: GHSA-hjqg-mr87-p6m3
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

NVD 9.9

Record: CVE-2025-23918
CVSS 3.1: 9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-434
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-23918 is a critical vulnerability (CVSS 9.9) in Enrico Sandoli Smallerik File Browser, published January 22, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.67%, the 52nd percentile. No source names a fixed version.