cwe-862 3 CVE-2026-104751: Rank Math SEO Unauthenticated SEO Analyzer Results Deletion Oct 13, 2026 CVE-2026-86827: BackWPup Unauthenticated Backup Job Execution via WP-Cron Oct 12, 2026 CVE-2026-15248: Meta Box Contributor+ Arbitrary Attachment Deletion Jul 20, 2026