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CVE-2026-3459

HIGH 8.1 CVSS 3.1
Published
March 5, 2026
Last modified
June 17, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-434
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Drag and Drop Multiple File Upload - Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads due to insufficient file type validation in the 'dnd_upload_cf7_upload' function in versions up to, and including, 1.3.7.3. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. This can be exploited if the form includes a multiple file upload field with ‘*’ as the accepted file type.

Affected WordPress components

  • Drag and Drop Multiple File Upload for Contact Form 7 Plugin · drag-and-drop-multiple-file-upload-contact-form-7
    Confirmed match Active
    Up to and including 1.3.9.5
    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

  • glenwpcoder Drag and Drop Multiple File Upload for Contact Form 7 — Up to and including 1.3.9.5

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tags/1.3.9.5/inc/dnd-upload-cf7.php#L1146
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tags/1.3.9.5/inc/dnd-upload-cf7.php#L886
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3475121/drag-and-drop-multiple-file-upload-contact-form-7
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/3205670c-5c3c-48c3-a34a-6f9c25668258?source=cve
  • nvd.nist.gov Official NVD record