{"title":"Green Hat Security Advisories","home_page_url":"https://greenhatsec.com/research","feed_url":"https://greenhatsec.com/research/advisories/index.json","updated_at":"2026-08-10","advisories":[{"advisoryId":"GH-ADV-2026-001","cveId":"CVE-2026-66642","title":"Cross-site request forgery in the WP Umbrella WordPress plugin","supplier":"WP Umbrella","product":"WP Umbrella WordPress plugin","affectedVersions":"2.24.2–2.26.2","fixedVersions":"2.27.0 or later","vulnerabilityType":"Cross-Site Request Forgery (CSRF)","cwe":"CWE-352","description":"The published record identifies a cross-site request forgery vulnerability affecting WP Umbrella versions 2.24.2 through 2.26.2. The vendor explains that exploitation required a logged-in WordPress administrator to visit a malicious page.","cvssVersion":"3.1","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","cvssScore":5.4,"severity":"Medium","researcherCredits":[{"name":"Anthony Green","handle":"antnation","organization":"Green Hat Security","displayName":"Anthony Green [antnation] — Green Hat Security"}],"references":[{"label":"Official CVE record","href":"https://www.cve.org/CVERecord?id=CVE-2026-66642","kind":"cve"},{"label":"WP Umbrella disclosure","href":"https://wp-umbrella.com/blog/security-disclosure-csrf-vulnerability-in-the-wp-umbrella-plugin-fixed-in-2-27-0/","kind":"vendor"},{"label":"Patchstack advisory","href":"https://patchstack.com/database/wordpress/plugin/wp-health/vulnerability/wordpress-wp-umbrella-plugin-2-26-2-cross-site-request-forgery-csrf-vulnerability?_s_id=cve","kind":"coordinator"}],"disclosureTimeline":[{"date":"2026-08-04","label":"Report submitted","detail":"Anthony Green's report entered Patchstack's managed disclosure process."},{"date":"2026-08-08","label":"Vendor independently finds and fixes the issue","detail":"WP Umbrella says its internal audit separately found and fixed the issue before the report reached its team."},{"date":"2026-08-10","label":"Fix and advisory published","detail":"WP Umbrella 2.27.0 and the coordinated public CVE record were released."}],"remediation":{"status":"Patched","guidance":"Update WP Umbrella to version 2.27.0 or later."},"assigningCna":"Patchstack","greenHatRole":"Researcher","publishedDate":"2026-08-10","lastUpdatedDate":"2026-08-10","status":"published","canonicalUrl":"https://greenhatsec.com/research/CVE-2026-66642"}]}