CVE-2023-4596

CRITICAL EXPLOITED NUCLEI LAB

Forminator < 1.24.6 - Unauthenticated Arbitrary File Upload via upload_post_image()

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-4596 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 4 public exploits from researchers including Mehmet Kelepçe, E1A, X-Projetion. A Nuclei detection template is also available.

AI-analyzed exploit summary This exploit demonstrates an unauthenticated remote command execution vulnerability in WordPress Plugin Forminator 1.24.6 via file upload. The vulnerability allows an attacker to upload a malicious PHP file through the 'postdata-1-post-image' parameter, bypassing file extension checks.

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.

Exploits (4)

exploitdb WORKING POC
by Mehmet Kelepçe · textwebappsphp
https://www.exploit-db.com/exploits/51664

This exploit demonstrates an unauthenticated remote command execution vulnerability in WordPress Plugin Forminator 1.24.6 via file upload. The vulnerability allows an attacker to upload a malicious PHP file through the 'postdata-1-post-image' parameter, bypassing file extension checks.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: WordPress Plugin Forminator 1.24.6
No auth needed
Prerequisites: WordPress site with Forminator plugin version 1.24.6 installed · Ability to send HTTP requests to the target server
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC 24 stars
by E1A · remote
https://github.com/E1A/CVE-2023-4596

This repository contains a functional Python exploit for CVE-2023-4596, an unauthenticated arbitrary file upload vulnerability in the WordPress Forminator plugin. The exploit automates the process of uploading a malicious PHP file to achieve remote code execution (RCE) on vulnerable installations.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: WordPress Forminator plugin <= 1.24.6
No auth needed
Prerequisites: Target running WordPress with vulnerable Forminator plugin · File upload functionality enabled in Forminator
devstral-2 · analyzed Feb 18, 2026 Full analysis →
nomisec SCANNER 1 stars
by X-Projetion · poc
https://github.com/X-Projetion/CVE-2023-4596-OpenSSH-Multi-Checker

This repository contains a bash script that scans for CVE-2024-6387 by checking OpenSSH versions on local and remote systems using nmap. It identifies vulnerable versions and excludes patched ones, providing a detailed report.

Classification
Scanner 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: OpenSSH versions 8.5 to 9.7 (excluding specific patched versions)
No auth needed
Prerequisites: nmap installed or ability to install it · network connectivity to target systems
devstral-2 · analyzed Feb 16, 2026 Full analysis →
nomisec WORKING POC
by X-Projetion · remote
https://github.com/X-Projetion/CVE-2023-4596-Vulnerable-Exploit-and-Checker-Version

This repository contains a functional Python exploit for CVE-2023-4596, targeting unauthenticated remote command execution via arbitrary file uploads in the Forminator plugin for WordPress. The script includes both a vulnerability checker and an exploit module capable of achieving RCE.

Classification
Working Poc 95%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: WordPress Forminator plugin <= 1.24.6
No auth needed
Prerequisites: Target URL with Forminator file upload field · Network access to the target
devstral-2 · analyzed Feb 18, 2026 Full analysis →

Nuclei Templates (1)

WordPress Plugin Forminator 1.24.6 - Arbitrary File Upload
CRITICALVERIFIEDby E1A
Shodan: http.html:/wp-content/plugins/forminator
FOFA: body=/wp-content/plugins/forminator

Scores

CVSS v3 9.8
EPSS 0.9078
EPSS Percentile 99.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

VulnCheck KEV 2023-08-29
CWE
CWE-434
Status published
Products (2)
incsub/forminator < 1.24.6
wpmudev/Forminator Forms – Contact Form, Payment Form & Custom Form Builder < 1.24.6
Published Aug 30, 2023
Tracked Since Feb 18, 2026