CVE-2025-12676: Mykiot Kiotviet Sync

Medium severity, CVSS 5.3. EPSS: 0.3% chance of exploitation in the next 30 days.

The KiotViet Sync plugin for WordPress is vulnerable to authorizarion bypass in all versions up to, and including, 1.8.5. This is due to the plugin using a hardcoded password for authentication in the QueryControllerAdmin::authenticated function. This makes it possible for unauthenticated attackers to create and sync products.

Affected products

• Mykiot Kiotviet Sync: up to and including 1.8.5

Published 2025-11-05. Last modified 2026-06-17.