CVE-2026-66629: Themeum Kirki

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Unauthenticated Cross Site Scripting (XSS) in Kirki <= 6.2.3 versions.

Affected products

• Themeum Kirki: up to and including 6.2.3

Published 2026-08-18. Last modified 2026-08-20.