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CVE-2026-18351

CRITICAL 9.8 CVSS 3.1
Published
September 10, 2026
Last modified
September 10, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-434
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Drag and Drop File Upload for Elementor Forms plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.6.0 via the elementor_file_upload function. This is due to insufficient file type validation in the is_file_type_valid() function, which uses the attacker-controlled 'type' parameter as regex keys in the MIME allowlist, allowing blacklist bypass via a crafted extension that sanitize_file_name() later normalizes to a PHP extension. This makes it possible for unauthenticated attackers to upload files that may be executable, which makes remote code execution possible.

Affected WordPress components

  • Drag and Drop File Upload for Elementor Forms Plugin · drag-and-drop-file-upload-for-elementor-forms
    Confirmed match Active
    Up to and including 1.6.0
    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

  • addonsorg Drag and Drop File Upload for Elementor Forms — Up to and including 1.6.0

References

  • plugins.svn.wordpress.org https://plugins.svn.wordpress.org/drag-and-drop-file-upload-for-elementor-forms/tags/1.6.0/drag-and-drop-file-upload-for-elementor-forms.php
  • plugins.svn.wordpress.org https://plugins.svn.wordpress.org/drag-and-drop-file-upload-for-elementor-forms/tags/1.6.0/fields/file_upload.php
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/drag-and-drop-file-upload-for-elementor-forms/tags/1.6.0/fields/file_upload.php#L833
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3628051/drag-and-drop-file-upload-for-elementor-forms
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/03e853be-510f-4957-a227-17ca9f825b12?source=cve
  • nvd.nist.gov Official NVD record