CVE-2025-12677: 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 Sensitive Information Exposure in all versions up to, and including, 1.8.5 via the register_api_route() function in kiotvietsync/includes/public_actions/WebHookAction.php. This makes it possible for unauthenticated attackers to extract the webhook token value when configured.

Affected products

• Mykiot Kiotviet Sync: up to and including 1.8.5

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