{"document":{"category":"csaf_vex","csaf_version":"2.0","title":"CVE-2026-56058: WordPress Quform plugin <= 2.23.0 - Arbitrary File Upload vulnerability","publisher":{"category":"vendor","name":"HarborGuard Database","namespace":"https://database.harborguard.co"},"tracking":{"id":"CVE-2026-56058","status":"final","version":"1","initial_release_date":"2026-06-26T14:52:46.731Z","current_release_date":"2026-06-26T17:43:18.868Z","revision_history":[{"date":"2026-06-26T14:52:46.731Z","number":"1","summary":"Initial machine-readable export from HarborGuard."}]},"distribution":{"tlp":{"label":"WHITE"},"text":"Public CVE data; freely redistributable."},"notes":[{"category":"description","text":"Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.","title":"CVE description"}],"references":[{"category":"self","summary":"CVE-2026-56058 on HarborGuard Database","url":"https://database.harborguard.co/cve/CVE-2026-56058"},{"category":"external","summary":"CVE Record","url":"https://www.cve.org/CVERecord?id=CVE-2026-56058"},{"category":"external","summary":"patchstack.com","url":"https://patchstack.com/database/wordpress/plugin/quform/vulnerability/wordpress-quform-plugin-2-23-0-arbitrary-file-upload-vulnerability?_s_id=cve"}]},"product_tree":{"branches":[{"category":"vendor","name":"ThemeCatcher","branches":[{"category":"product_name","name":"Quform","branches":[{"category":"product_version_range","name":">=n/a <=2.23.0","product":{"name":"ThemeCatcher Quform >=n/a <=2.23.0","product_id":"CSAFPID-1","product_identification_helper":{"cpe":"cpe:2.3:a:themecatcher:quform:*:*:*:*:*:*:*:*"}}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-56058","title":"WordPress Quform plugin <= 2.23.0 - Arbitrary File Upload vulnerability","notes":[{"category":"description","text":"Subscriber Arbitrary File Upload in Quform <= 2.23.0 versions.","title":"CVE description"}],"product_status":{"known_affected":["CSAFPID-1"]},"scores":[{"cvss_v3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","baseScore":9.9,"baseSeverity":"CRITICAL"},"products":["CSAFPID-1"]}],"remediations":[{"category":"none_available","details":"No fixed version is published yet. Monitor the upstream advisory.","product_ids":["CSAFPID-1"]}]}]}