What is CVE-2026-0740?

CVE-2026-0740 is a critical-severity vulnerability in Saturdaydrive Ninja Forms - File Uploads, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-04-07.

How severe is CVE-2026-0740?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2026-0740 known to be exploited?

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

Arbitrary file upload in Saturdaydrive Ninja Forms - File Uploads

CVE-2026-0740

The Ninja Forms - File Uploads plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'NF_FU_AJAX_Controllers_Uploads::handle_upload' function in all versions up to, and including, 3.3.26. T…

Vulnerability class: Unrestricted File Upload

EPSS: 0.220 (95.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Saturdaydrive Ninja Forms - File Uploads — 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-2026-0740?: CVE-2026-0740 is a critical-severity vulnerability in Saturdaydrive Ninja Forms - File Uploads, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2026-04-07.
How severe is CVE-2026-0740?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-0740 known to be exploited?: 7 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.