CVE-2016-1564: WordPress

Medium severity, CVSS 6.1. EPSS: 2.9% chance of exploitation in the next 30 days.

Multiple cross-site scripting (XSS) vulnerabilities in wp-includes/class-wp-theme.php in WordPress before 4.4.1 allow remote attackers to inject arbitrary web script or HTML via a (1) stylesheet name or (2) template name to wp-admin/customize.php.

Affected products

• WordPress WordPress: up to and including 4.4.0

Published 2016-05-22. Last modified 2026-06-17.