CVE-2025-58666: Kommo Website Chat Button: Kommo Integration

Medium severity, CVSS 4.3. EPSS: 0.3% chance of exploitation in the next 30 days.

Missing Authorization vulnerability in Kommo Website Chat Button: Kommo integration website-chat-button-kommo-integration allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Website Chat Button: Kommo integration: from n/a through <= 1.3.1.

Affected products

• Kommo Website Chat Button: Kommo Integration: up to and including 1.3.1

Published 2025-09-22. Last modified 2026-06-17.