CVE-2023-23656

CRITICAL 10.0

WordPress MainWP File Uploader Extension Plugin <= 4.1 - Unauthenticated Arbitrary File Upload Vulnerability

CVSS Score

10.0

EPSS Score

0.0%

EPSS Percentile

0th

Unrestricted Upload of File with Dangerous Type vulnerability in MainWP MainWP File Uploader Extension.This issue affects MainWP File Uploader Extension: from n/a through 4.1.

CWE	CWE-434
Vendor	mainwp
Product	mainwp file uploader extension
Published	Mar 26, 2024
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

MainWP / MainWP File Uploader Extension

n/a ≤ 4.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/vulnerability/mainwp-file-uploader-extension/wordpress-mainwp-file-uploader-extension-plugin-4-1-unauthenticated-arbitrary-file-upload-vulnerability?_s_id=cve

Credits

Dave Jong (Patchstack)