CVE-2026-83627 | WPMU DEV Hummingbird Performance Plugin up to 3.21.0 on WordPress Page Cache class-page-cache.php log_msg code injection

September 5, 2026 Yanac

A vulnerability was found in WPMU DEV Hummingbird Performance Plugin up to 3.21.0 on WordPress. It has been declared as critical. This issue affects the function log_msg of the file core/modules/class-page-cache.php of the component Page Cache. The manipulation results in code injection.

This vulnerability is identified as CVE-2026-83627. The attack can be executed remotely. There is not any exploit available.VulDB Recent EntriesRead More