CVE-2026-54857CRITICAL NVDCVSS Score 9.8Severity CRITICALPublished Oct 29, 2026Vendor unknownDescriptionUnauthenticated PHP Object Injection in Quirky <= 1.23 versions.Referenceshttps://patchstack.com/database/wordpress/theme/quirky/vulnerability/wordpress-quirky-theme-1-23-php-object-injection-vulnerability?_s_id=cve