CVE-2023-43356

MEDIUM

CMS Made Simple 2.2.18 - Stored Cross-Site Scripting in Global Metadata Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-43356. PoCs published by sromanhu.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2023-43356, a stored XSS vulnerability in CMSmadesimple v2.2.18. It includes a proof-of-concept payload and step-by-step instructions for exploitation via the Global Metadata field in the Global Settings Menu.

Description

Cross Site Scripting vulnerability in CMSmadesimple v.2.2.18 allows a local attacker to execute arbitrary code via a crafted script to the Global Meatadata parameter in the Global Settings Menu component.

Exploits (1)

nomisec WRITEUP
by sromanhu · poc
https://github.com/sromanhu/CVE-2023-43356-CMSmadesimple-Stored-XSS---Global-Settings

This repository provides a detailed technical analysis of CVE-2023-43356, a stored XSS vulnerability in CMSmadesimple v2.2.18. It includes a proof-of-concept payload and step-by-step instructions for exploitation via the Global Metadata field in the Global Settings Menu.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: CMSmadesimple v2.2.18
Auth required
Prerequisites: Access to the CMSmadesimple admin panel · Permission to modify Global Settings
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 5.4
EPSS 0.0046
EPSS Percentile 36.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
cmsmadesimple/cms_made_simple 2.2.18
Published Oct 20, 2023
Tracked Since Feb 18, 2026