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Status published
Critical
CVE-2023-23656
WordPress MainWP File Uploader Extension Plugin <= 4.1 - Unauthenticated Arbitrary File Upload Vulnerability
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Dave Jong (Patchstack)
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Affected Vendor
MainWP
View all reports →Affected Software
MainWP File Uploader Extension
Vulnerable Versions:
Unknown
Timeline
Official Publish:
March 26th, 2024
Last Modified:
April 28th, 2026
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H