CVE-2026-40783: Creative Themes Blocksy Companion Pro

Critical severity, CVSS 9.9. EPSS: 0.8% chance of exploitation in the next 30 days.

Contributor Remote Code Execution (RCE) in Blocksy Companion Pro <= 2.1.37 versions.

Affected products

• Creative Themes Blocksy Companion Pro: up to and including 2.1.37

Published 2026-06-17. Last modified 2026-06-17.