Drag and Drop Multiple File Upload for Contact Form 7 <= 1.3.9.5 - Unauthenticated Arbitrary File Upload

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Summary

CVECVE-2026-3459
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-05 19:16:19 UTC
Updated2026-04-22 21:27:27 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.001760000 probability, percentile 0.390470000 (date 2026-04-22)

Problem Types: CWE-434 | CWE-434 CWE-434 Unrestricted Upload of File with Dangerous Type

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED8.1HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Glenwpcoder Drag And Drop Multiple File Upload For Contact Form 7 affected 1.3.9.5 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tag... [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/drag-and-drop-multiple-file-upload-contact-form-7/tag... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/3205670c-5c3c-48c3-a34a-6f9c2... [email protected] www.wordfence.com
plugins.trac.wordpress.org/changeset/3475121/drag-and-drop-multiple-file-upload-contact-... [email protected] plugins.trac.wordpress.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Thomas Sanzey (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-02T20:08:34.000ZVendor Notified
CNA2026-03-05T06:23:44.000ZDisclosed
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