WordPress security changelog
HIGH CVE-2018-6389 Modified

WordPress component: A security weakness

WordPress component is affected by a security weakness. The vulnerable path is reachable without authentication. The resulting impact depends on how the affected component exposes the vulnerable operation.

CVE / CNA score 7.5 CVSS · cve@mitre.org
NVD score 7.5 CVSS 3.0 · nvd@nist.gov
Component
WordPress component
Plugin slug
Not applicable
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Feb 06, 2018
Weakness
CWE-400 — Uncontrolled Resource Consumption

Update, patch or deactivate.

Update WordPress component to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

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.

NVD vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary and upstream sources