CVE-2023-44764

MEDIUM

Concrete CMS < 9.2.3 - Stored Cross-Site Scripting via Name Parameter during Installation

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-44764. PoCs published by sromanhu.

AI-analyzed exploit summary The repository provides a detailed technical analysis of CVE-2023-44764, a stored XSS vulnerability in ConcreteCMS v9.2.1. It includes a proof-of-concept payload and step-by-step instructions for exploitation, demonstrating the vulnerability's root cause and impact.

Description

A Cross Site Scripting (XSS) vulnerability in Concrete CMS before 9.2.3 exists via the Name parameter during installation (aka Site of Installation or Settings).

Exploits (1)

nomisec WRITEUP
by sromanhu · poc
https://github.com/sromanhu/CVE-2023-44764_ConcreteCMS-Stored-XSS---Site_Installation

The repository provides a detailed technical analysis of CVE-2023-44764, a stored XSS vulnerability in ConcreteCMS v9.2.1. It includes a proof-of-concept payload and step-by-step instructions for exploitation, demonstrating the vulnerability's root cause and impact.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: ConcreteCMS v9.2.1
No auth needed
Prerequisites: Access to the installation or settings page of ConcreteCMS
devstral-2 · analyzed Feb 19, 2026 Full analysis →

Scores

CVSS v3 5.4
EPSS 0.0021
EPSS Percentile 44.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (2)
concrete5/concrete5 0Packagist
concretecms/concrete_cms 9.2.1
Published Oct 06, 2023
Tracked Since Feb 18, 2026