What is CVE-2026-5718?

CVE-2026-5718 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 2026-04-17.

How severe is CVE-2026-5718?

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

Is CVE-2026-5718 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

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

CVE-2026-5718

The Drag and Drop Multiple File Upload for Contact Form 7 plugin for WordPress is vulnerable to arbitrary file upload in versions up to, and including, 1.3.9.7. This is due to insufficient file type validation that occurs when custom black…

Vulnerability class: Unrestricted File Upload

EPSS: 0.042 (89.0th 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

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2026-5718?: CVE-2026-5718 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 2026-04-17.
How severe is CVE-2026-5718?: High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2026-5718 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.