{"id":"CVE-2026-104246","title":"Contact Form 7 Signature Addon <= 4.2.2 - Unauthenticated Arbitrary File Read via Path Traversal in Email Attachments","summary":"The Contact Form 7 Signature Addon WordPress plugin through 4.2.2 does not sanitize a signature field value before building an email attachment path from it, allowing unauthenticated users to attach arbitrary files (bounded to wp-content…","severity":"none","cwe":["CWE-22"],"product":"Contact Form 7 Signature Addon","affected":["contact_form_7_signature_addon <= 4.2.2"],"published":"2026-10-17","updated":"2026-10-17","sourceUpdated":"2026-10-17T06:00:12.551Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-104246","references":[{"url":"https://wpscan.com/vulnerability/e56dc60b-9232-43f2-8d57-fe9452c85281/"}],"tags":["cve.org"],"ingestedAt":"2026-10-17T07:01:26.053Z","slug":"CVE-2026-104246","body":"## Overview\n\nThe Contact Form 7 Signature Addon WordPress plugin through 4.2.2 does not sanitize a signature field value before building an email attachment path from it, allowing unauthenticated users to attach arbitrary files (bounded to wp-content on current Contact Form 7) to a form's outgoing email via path traversal; when a form is configured to email a copy to a submitter-controlled address, the attacker can read the targeted file.\n\n## Affected\n\n- `contact_form_7_signature_addon <= 4.2.2`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}