CVE-2023-4596 - CVE House
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Status published Critical CVE-2023-4596

Forminator <= 1.24.6 - Unauthenticated Arbitrary File Upload

Vulnerability Description

The Forminator plugin for WordPress is vulnerable to arbitrary file uploads due to file type validation occurring after a file has been uploaded to the server in the upload_post_image() function in versions up to, and including, 1.24.6. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • mehmet

References

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Affected Vendor

Affected Software

Forminator Forms – Contact Form, Payment Form & Custom Form Builder
Vulnerable Versions:
0

Timeline

Official Publish: August 30th, 2023
Last Modified: April 8th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-434

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1505.003 Web Shell
Persistence
T1105 Ingress Tool Transfer
Command and Control
T1059 Command and Scripting Interpreter
Execution
T1565.002 Stored Data Manipulation
Impact