CVE-2026-92820 Ninja Forms - File Uploads - Arbitrary File Operations

Ninja Forms - File Uploads plugin for WordPress <= 3.3.34 contains arbitrary file operations caused by unvalidated attacker-supplied file paths in the external Amazon S3 upload flow, letting unauthenticated attackers read, write, or delete arbitrary files, exploit requires External File Upload action and Email action for read.

CVSS base score 8.1 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.52% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Arbitrary File Operations
Impact
File System Read, File System Write, Remote Code Execution
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2 October 2026
Updated
15 October 2026
Weakness
CWE-434

Vendor fix

Update to the latest version of Ninja Forms - File Uploads plugin

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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