CVE-2023-43872

MEDIUM

CMS Made Simple 2.2.18 - Stored Cross-Site Scripting via PDF File Upload

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-43872. PoCs published by sromanhu.

AI-analyzed exploit summary The repository describes a file upload vulnerability in CMSmadesimple v2.2.18, where a PDF file with hidden XSS can be uploaded via the File Manager. The PoC includes screenshots demonstrating the exploit but lacks functional exploit code.

Description

A File upload vulnerability in CMSmadesimple v.2.2.18 allows a local attacker to upload a pdf file with hidden Cross Site Scripting (XSS).

Exploits (1)

nomisec WRITEUP
by sromanhu · poc
https://github.com/sromanhu/CVE-2023-43872-CMSmadesimple-Arbitrary-File-Upload--XSS---File-Manager

The repository describes a file upload vulnerability in CMSmadesimple v2.2.18, where a PDF file with hidden XSS can be uploaded via the File Manager. The PoC includes screenshots demonstrating the exploit but lacks functional exploit code.

Classification
Writeup 80%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: CMSmadesimple v2.2.18
Auth required
Prerequisites: Access to the CMSmadesimple admin panel · File Manager upload permissions
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (1)

Core 1

Scores

CVSS v3 5.4
EPSS 0.0055
EPSS Percentile 41.4%
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 Sep 28, 2023
Tracked Since Feb 18, 2026