CVE-2023-6623: Wpdeveloper Essential Blocks

Critical severity, CVSS 9.8. EPSS: 50.7% chance of exploitation in the next 30 days.

The Essential Blocks WordPress plugin before 4.4.3 does not prevent unauthenticated attackers from overwriting local variables when rendering templates over the REST API, which may lead to Local File Inclusion attacks.

Affected products

• Wpdeveloper Essential Blocks: before 4.4.3 (fixed in 4.4.3)

Published 2024-01-15. Last modified 2026-06-17.