CVE-2025-39557 CRITICAL

CVE-2025-39557: WordPress Kadence WooCommerce Email Designer plugin <= 1.5.14 - Arbitrary File Upload vulnerability

Vendor Stellarwp
Product Kadence WooCommerce Email Designer
Weakness CWE-434 · Unrestricted file upload
Published April 16, 2025
Last update April 28, 2026

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in StellarWP Kadence WooCommerce Email Designer kadence-woocommerce-email-designer allows Upload a Web Shell to a Web Server.This issue affects Kadence WooCommerce Email Designer: from n/a through <= 1.5.14.

Explanation of Vulnerability in Simple Terms

02Summary

Kadence WooCommerce Email Designer versions up to 1.5.14 allow authenticated administrators to upload files without proper validation. An attacker with admin access can upload malicious files that may execute code or compromise site integrity. Update to a version newer than 1.5.14 to resolve this issue.

What an attacker can do

03Attacker Capabilities

Upload and execute malicious files on the site with admin privileges.

Potential impact on your site

04Site Impact

A compromised admin account can upload files to run arbitrary code or modify site content.

Conditions required to exploit

05Prerequisites

Attacker must have WordPress administrator access to the site.

Key dates

06Disclosure timeline

April 16, 2025 CVE published
April 28, 2026 Record updated