CVE-2026-27540 CRITICAL

CVE-2026-27540: WordPress Woocommerce Wholesale Lead Capture plugin <= 2.0.3.1 - Arbitrary File Upload vulnerability

Vendor Rymera Web Co Pty Ltd.
Product Woocommerce Wholesale Lead Capture
Weakness CWE-434 · Unrestricted file upload
Published March 19, 2026
Last update April 29, 2026

CVSS base score

9.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in Rymera Web Co Pty Ltd. Woocommerce Wholesale Lead Capture woocommerce-wholesale-lead-capture allows Using Malicious Files.This issue affects Woocommerce Wholesale Lead Capture: from n/a through <= 2.0.3.1.

Explanation of Vulnerability in Simple Terms

02Summary

The Woocommerce Wholesale Lead Capture plugin through version 2.0.3.1 does not properly validate file uploads, allowing an attacker to upload malicious files to the server. An attacker can exploit this without authentication to run their own code on the site, read sensitive data, or disrupt service. Sites using this plugin should update immediately.

What an attacker can do

03Attacker Capabilities

Upload and execute malicious files on the server without authentication.

Potential impact on your site

04Site Impact

Attackers can run code on your site, steal data, or take the site offline without needing a user account.

Conditions required to exploit

05Prerequisites

Network access to the plugin's upload endpoint; no authentication or user interaction required.

Key dates

06Disclosure timeline

March 19, 2026 CVE published
April 29, 2026 Record updated