CVE-2021-39333: Hashthemes Demo Importer

High severity, CVSS 8.1. EPSS: 1.1% chance of exploitation in the next 30 days.

The Hashthemes Demo Importer Plugin <= 1.1.1 for WordPress contained several AJAX functions which relied on a nonce which was visible to all logged-in users for access control, allowing them to execute a function that truncated nearly all database tables and removed the contents of wp-content/uploads.

Affected products

• Hashthemes Hashthemes Demo Importer: up to and including 1.1.1

Published 2021-11-01. Last modified 2026-06-17.