CVE-2024-52399 CRITICAL

CVE-2024-52399: WordPress Writer Helper plugin <= 3.1.6 - Arbitrary File Upload vulnerability

Vendor Clarisse K.
Product Writer Helper
Weakness CWE-434 · Unrestricted file upload
Published November 16, 2024
Last update April 28, 2026

CVSS base score

9.9/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Clarisse K. Writer Helper writer-helper allows Upload a Web Shell to a Web Server.This issue affects Writer Helper: from n/a through <= 3.1.6.

Key dates

02Disclosure timeline

November 16, 2024 CVE published
April 28, 2026 Record updated