CVE-2023-43360

MEDIUM

CMS Made Simple 2.2.18 - Stored Cross-Site Scripting via File Picker Top Directory Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-43360. PoCs published by sromanhu.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2023-43360, a stored XSS vulnerability in CMS Made Simple v2.2.18. It explains how arbitrary JavaScript can be injected via the 'Top Directory' field in the File Picker extension, with a proof-of-concept payload and screenshots demonstrating the exploit.

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 Top Directory parameter in the File Picker Menu component.

Exploits (1)

nomisec WRITEUP
by sromanhu · poc
https://github.com/sromanhu/CVE-2023-43360-CMSmadesimple-Stored-XSS---File-Picker-extension

This repository provides a detailed technical analysis of CVE-2023-43360, a stored XSS vulnerability in CMS Made Simple v2.2.18. It explains how arbitrary JavaScript can be injected via the 'Top Directory' field in the File Picker extension, with a proof-of-concept payload and screenshots demonstrating the exploit.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: CMS Made Simple v2.2.18
Auth required
Prerequisites: Access to the CMS Made Simple admin panel · Permission to modify the File Picker extension settings
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 5.4
EPSS 0.0054
EPSS Percentile 41.3%
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 25, 2023
Tracked Since Feb 18, 2026