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.
CVE-2026-3459 is a high severity with CVSS 8.1 Remote Code Execution issue affecting the Plugin Drag and Drop Multiple File Upload for Contact Form 7. It affects Versions up to 1.3.9.5 and is fixed in 1.3.9.6.
Use the related hub and response guides to connect this CVE-2026-3459 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2026-3459 is tracked for the Plugin Drag and Drop Multiple File Upload for Contact Form 7 as high severity with CVSS 8.1. The affected range is Versions up to 1.3.9.5. Update Drag and Drop Multiple File Upload for Contact Form 7 to 1.3.9.6 or newer where that version is compatible with the site.
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This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions up to 1.3.9.5.
Confirm Drag and Drop Multiple File Upload for Contact Form 7 is updated to 1.3.9.6 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
drag-and-drop-multiple-file-upload-contact-form-7
View on wordpress.org
|
| CVE | CVE-2026-3459 |
| Patched Versions |
1.3.9.6
|
| Affected Versions |
Versions up to 1.3.9.5
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Drag and Drop Multiple File Upload - Contact Form 7 <= 1.3.3.2 - Arbitrary File Upload
Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.8.7 - Unauthenticated Arbitrary File Deletion
Drag and Drop Multiple File Upload – Contact Form 7 <= 1.3.6.5 - Cross-Site Request Forgery in dnd_upload_cf7_upload and dnd_codedropz_upload_delete
Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.9.6 - Unauthenticated Arbitrary File Upload via Non-ASCII Filename Blacklist Bypass
Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.8.9 - Unauthenticated Arbitrary File Upload via Insufficient Blacklist Checks
Drag and Drop Multiple File Upload - Contact Form 7 <= 1.3.7.3 - Unauthenticated Arbitrary File Upload
Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.9.6 - Unauthenticated Limited Arbitrary File Read via mfile Field
Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.8.7 - Unauthenticated PHP Object Injection via PHAR to Arbitrary File Deletion
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