CVE-2023-44761

MEDIUM

Concrete CMS 8.5.13 and below, 9.0.0-9.2.1 - Stored Cross-Site Scripting via Forms Data Objects

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-44761. PoCs published by sromanhu.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2023-44761, a stored XSS vulnerability in ConcreteCMS v9.2.1. It includes step-by-step instructions and screenshots demonstrating how an attacker can inject malicious JavaScript into the 'Custom Label' field of a form, which executes when accessed by a user.

Description

Multiple Cross Site Scripting (XSS) vulnerabilities in Concrete CMS versions affected to 8.5.13 and below, and 9.0.0 through 9.2.1 allow a local attacker to execute arbitrary code via a crafted script to the Forms of the Data objects.

Exploits (1)

nomisec WRITEUP
by sromanhu · poc
https://github.com/sromanhu/CVE-2023-44761_ConcreteCMS-Stored-XSS---Forms

This repository provides a detailed technical analysis of CVE-2023-44761, a stored XSS vulnerability in ConcreteCMS v9.2.1. It includes step-by-step instructions and screenshots demonstrating how an attacker can inject malicious JavaScript into the 'Custom Label' field of a form, which executes when accessed by a user.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: ConcreteCMS v9.2.1
Auth required
Prerequisites: Access to the ConcreteCMS admin panel · Ability to create or edit forms in the 'Data Objects' section
devstral-2 · analyzed Feb 19, 2026 Full analysis →

References (2)

Core 2

Scores

CVSS v3 5.4
EPSS 0.0030
EPSS Percentile 53.7%
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 0 - 9.2.2Packagist
concretecms/concrete_cms 9.2.1
Published Oct 06, 2023
Tracked Since Feb 18, 2026