CVE-2026-39516: Posimyth Nexter Blocks

Medium severity, CVSS 5.3. EPSS: 0.3% 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 <= 4.7.0.

Affected products

• Posimyth Nexter Blocks: up to and including 4.7.0

Published 2026-04-08. Last modified 2026-07-24.