{"id":"CVE-2026-16230","state":"PUBLISHED","title":"Formidable Digital Signatures <= 3.0.6 - Unauthenticated Arbitrary File Deletion via Signature Field","description":"The Formidable Digital Signatures plugin for WordPress is vulnerable to file deletion due to insufficient file path validation in the delete_file function in all versions up to, and including, 3.0.6. This makes it possible for unauthenticated attackers to delete files on the server by supplying an attacker-controlled filename in the item_meta[field_id][content] parameter alongside the delete_saved_image flag during the standard entry-creation POST flow on any form that accepts anonymous submissions.","publishedAt":"2026-08-11T19:37:27.821Z","updatedAt":"2026-08-11T21:03:36.534Z","severity":{"score":9.8,"label":"Critical","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","source":"Wordfence"},"assigner":"Wordfence","products":["Strategy11 Formidable Digital Signatures"],"affected":[{"vendor":"Strategy11","product":"Formidable Digital Signatures","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.0.6","versionType":"semver"}]}],"references":["https://www.wordfence.com/threat-intel/vulnerabilities/id/c9a5f8ca-7efc-401b-8a93-07fbe7204dce?source=cve","https://formidableforms.com/","https://formidableforms.com/changelog/digital-signature-forms-3-1/"],"weaknesses":["CWE-23"],"ingestedAt":"2026-10-29T20:11:00.674Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/16xxx/CVE-2026-16230.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-16230","state":"PUBLISHED","datePublished":"2026-08-11T19:37:27.821Z","dateUpdated":"2026-08-11T21:03:36.534Z","assignerShortName":"Wordfence","assignerOrgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateReserved":"2026-07-18T14:23:51.315Z"},"containers":{"cna":{"title":"Formidable Digital Signatures <= 3.0.6 - Unauthenticated Arbitrary File Deletion via Signature Field","descriptions":[{"lang":"en","value":"The Formidable Digital Signatures plugin for WordPress is vulnerable to file deletion due to insufficient file path validation in the delete_file function in all versions up to, and including, 3.0.6. This makes it possible for unauthenticated attackers to delete files on the server by supplying an attacker-controlled filename in the item_meta[field_id][content] parameter alongside the delete_saved_image flag during the standard entry-creation POST flow on any form that accepts anonymous submissions."}],"affected":[{"vendor":"Strategy11","product":"Formidable Digital Signatures","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"3.0.6","versionType":"semver"}]}],"references":[{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/c9a5f8ca-7efc-401b-8a93-07fbe7204dce?source=cve"},{"url":"https://formidableforms.com/"},{"url":"https://formidableforms.com/changelog/digital-signature-forms-3-1/"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-23","lang":"en","description":"CWE-23 Relative Path Traversal","type":"CWE"}]}],"providerMetadata":{"shortName":"Wordfence","orgId":"b15e7b5b-3da4-40ae-a43c-f7aa60e62599","dateUpdated":"2026-08-11T19:37:27.821Z"},"credits":[{"lang":"en","type":"finder","value":"Rafie Muhammad"}],"timeline":[{"time":"2026-07-29T11:36:12.000Z","lang":"en","value":"Vendor Notified"},{"time":"2026-08-11T06:34:15.000Z","lang":"en","value":"Disclosed"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-11T21:03:29.644869Z","id":"CVE-2026-16230","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-11T21:03:36.534Z"}}]}}}