CVE-2018-6389: WordPress

High severity, CVSS 7.5. EPSS: 72.7% chance of exploitation in the next 30 days.

In WordPress through 4.9.2, unauthenticated attackers can cause a denial of service (resource consumption) by using the large list of registered .js files (from wp-includes/script-loader.php) to construct a series of requests to load every file many times.

Affected products

• WordPress WordPress: up to and including 4.9.2

Published 2018-02-06. Last modified 2026-06-17.