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CVE-2026-104246

MEDIUM 5.9 CVSS 3.1
Published
October 17, 2026
Last modified
October 19, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-22
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

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 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.

Affected WordPress components

  • Contact Form 7 Signature Addon Plugin · contact-form-7-signature-addon
    Possible match Homeless
    Up to and including 4.2.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown Contact Form 7 Signature Addon — Up to and including 4.2.2

References

  • wpscan.com https://wpscan.com/vulnerability/e56dc60b-9232-43f2-8d57-fe9452c85281/
  • nvd.nist.gov Official NVD record