CVE-2026-84261: Unknown CLICK5 CRM Add-On To Contact Form 7

High severity, CVSS 8.8. EPSS: 0.3% chance of exploitation in the next 30 days.

The click5 CRM add-on to Contact Form 7 WordPress plugin through 1.0.4 does not sanitise and escape content submitted through an unauthenticated endpoint before outputting it back in an admin page, leading to Stored XSS which could be used against high privilege users such as admin.

Affected products

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