CVE-2023-40504

CRITICAL NUCLEI

LG Simple Editor Command Injection (CVE-2023-40504)

Title source: metasploit
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-40504. PoCs published by rgod, Michael Heinzl, including Metasploit module exploits/windows/http/lg_simple_editor_rce_uploadvideo. A Nuclei detection template is also available.

AI-analyzed exploit summary This Metasploit module exploits an unauthenticated command injection vulnerability in LG Simple Editor <= v3.21.0. It crafts a malicious multipart form upload to execute arbitrary commands in the context of NT AUTHORITY\SYSTEM.

Description

LG Simple Editor readVideoInfo Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of LG Simple Editor. Authentication is not required to exploit this vulnerability. The specific flaw exists within the readVideoInfo method. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of SYSTEM. . Was ZDI-CAN-19953.

Exploits (1)

metasploit WORKING POC EXCELLENT
by rgod, Michael Heinzl · rubypocwin
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/windows/http/lg_simple_editor_rce_uploadvideo.rb

This Metasploit module exploits an unauthenticated command injection vulnerability in LG Simple Editor <= v3.21.0. It crafts a malicious multipart form upload to execute arbitrary commands in the context of NT AUTHORITY\SYSTEM.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Trivial
Reliability
Reliable
Target: LG Simple Editor <= v3.21.0
No auth needed
Prerequisites: Network access to the target server · Target running LG Simple Editor <= v3.21.0
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Nuclei Templates (1)

LG Simple Editor <= v3.21.0 - Command Injection
CRITICALVERIFIEDby s4e-io
FOFA: icon_hash="159985907"

References (1)

Core 1
Core References
Third Party Advisory x_research-advisory
https://www.zerodayinitiative.com/advisories/ZDI-23-1208/

Scores

CVSS v3 9.8
EPSS 0.8776
EPSS Percentile 99.7%
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

CWE
CWE-78
Status published
Products (1)
lg/simple_editor 3.21.0
Published May 03, 2024
Tracked Since Feb 18, 2026