CVE-2023-43784: Plesk Onyx

High severity, CVSS 7.5. EPSS: 0.6% chance of exploitation in the next 30 days.

Plesk Onyx 17.8.11 has accessKeyId and secretAccessKey fields that are related to an Amazon AWS Firehose component. NOTE: the vendor's position is that there is no security threat.

Affected products

• Plesk Onyx: version 17.8.11 only

Published 2023-09-22. Last modified 2026-06-17.