What is CVE-2026-3459?

CVE-2026-3459 is a high-severity vulnerability in Glenwpcoder Drag And Drop Multiple File Upload For Contact Form 7, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.1/10. Published 2026-03-05.

How severe is CVE-2026-3459?

High severity. CVSS v3 base score is 8.1 out of 10.

Arbitrary file upload in Glenwpcoder Drag And Drop Multiple File Upload For Contact Form 7

CVE-2026-3459

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…

Vulnerability class: Unrestricted File Upload

EPSS: 0.002 (39.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Glenwpcoder Drag And Drop Multiple File Upload For Contact Form 7 — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

Frequently asked questions

What is CVE-2026-3459?: CVE-2026-3459 is a high-severity vulnerability in Glenwpcoder Drag And Drop Multiple File Upload For Contact Form 7, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.1/10. Published 2026-03-05.
How severe is CVE-2026-3459?: High severity. CVSS v3 base score is 8.1 out of 10.