CVE-2026-24377: Posimyth Nexter Blocks

Medium severity, CVSS 4.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in POSIMYTH Nexter Blocks the-plus-addons-for-block-editor allows Retrieve Embedded Sensitive Data.This issue affects Nexter Blocks: from n/a through <= 4.6.3.

Affected products

• Posimyth Nexter Blocks: up to and including 4.6.3

Published 2026-01-22. Last modified 2026-06-17.