CVE-2026-84252: Unknown CLICK5 CRM Add-On To Wpforms

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

The click5 CRM add-on to WPForms WordPress plugin through 1.0.3 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 WPForms WordPress plugin through 1.0.3. 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

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