{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-39587: WordPress WP BASE Booking plugin <= 5.9.0 - Privilege Escalation vulnerability","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-39587","status":"final","version":"1","initial_release_date":"2026-06-15T20:18:09.322Z","current_release_date":"2026-06-15T20:18:09.322Z","revision_history":[{"date":"2026-06-15T20:18:09.322Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Unauthenticated Privilege Escalation in WP BASE Booking <= 5.9.0 versions.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-39587 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-39587"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-39587"},{"category":"external","summary":"patchstack.com","url":"https://patchstack.com/database/wordpress/plugin/wp-base-booking-of-appointments-services-and-events/vulnerability/wordpress-wp-base-booking-plugin-5-9-0-privilege-escalation-vulnerability?_s_id=cve"}]},"product_tree":{"branches":[{"category":"vendor","name":"Hakan Ozevin","branches":[{"category":"product_name","name":"WP BASE Booking","branches":[{"category":"product_version_range","name":">=n/a <=5.9.0","product":{"name":"Hakan Ozevin WP BASE Booking >=n/a <=5.9.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:hakan_ozevin:wp_base_booking:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-39587","title":"WordPress WP BASE Booking plugin <= 5.9.0 - Privilege Escalation vulnerability","notes":[{"category":"description","text":"Unauthenticated Privilege Escalation in WP BASE Booking <= 5.9.0 versions.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}