CVE-2026-84251: Unknown CLICK5 CRM Add-On To Ninja Forms

Critical severity, CVSS 9.8. EPSS: 0.2% chance of exploitation in the next 30 days.

The click5 CRM add-on to Ninja Forms WordPress plugin through 1.0.1 does not have authorisation and CSRF checks when updating options via a REST endpoint, and does not ensure that the option to be updated belongs to the click5 CRM add-on to Ninja Forms WordPress plugin through 1.0.1. As a result, unauthenticated attackers could change arbitrary blog options, allowing them to create a new administrator account and take over the site.

Affected products

• Unknown CLICK5 CRM Add-On To Ninja Forms: up to and including 1.0.1

Published 2026-10-11. Last modified 2026-10-13.