CVE-2026-0740: exploitation status and patch state

CVE-2026-0740 · CVSS 9.8 CRITICAL · EPSS 58%

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. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible. Note: The vulnerability was partially patched in version 3.3.25 and fully patched in version 3.3.27.

Is CVE-2026-0740 exploited?

• Not in the CISA KEV catalog.
• EPSS puts exploitation in the next 30 days at 58%.
• Public exploit code: proof of concept.
• Public detection rules exist.

Which products and versions are affected?

No affected package list recorded here yet.

Is there a patch?

No patch identifier recorded here yet.

What PlainSec published about CVE-2026-0740

• Immediate Remote Code Execution Risk in Ninja Forms File Uploads (2026-05-02)

Primary sources

• NVD record
• Exploit-DB 52560
• Nuclei template

What this record does not say

• No affected package data.
• No patch identifier.

KEV and EPSS are re-checked daily. Record last updated 2026-08-11.