CVE-2026-39545HIGH NVDCVSS Score 8.1Severity HIGHPublished Jun 17, 2026Vendor unknownDescriptionUnauthenticated PHP Object Injection in Zermatt <= 1.6.1 versions.Referenceshttps://patchstack.com/database/wordpress/theme/zermatt/vulnerability/wordpress-zermatt-theme-1-6-1-php-object-injection-vulnerability?_s_id=cve