CVE-2026-78264: Site Building With Toolset Toolset Blocks

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

Unauthenticated Cross Site Scripting (XSS) in Toolset Blocks <= 1.6.26 versions.

Affected products

• Site Building With Toolset Toolset Blocks: up to and including 1.6.26

Published 2026-08-24. Last modified 2026-08-26.