CVE-2023-44765

MEDIUM

Concrete CMS 8.5.12 and below, 9.0-9.2.1 - Stored Cross-Site Scripting via Plural Handle of Data Objects

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2023-44765. PoCs published by sromanhu.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2023-44765, a stored XSS vulnerability in ConcreteCMS v9.2.1. It includes step-by-step exploitation details, payload examples, and screenshots demonstrating the attack vector in the 'Plural Handle' field of Data Objects.

Description

A Cross Site Scripting (XSS) vulnerability in Concrete CMS versions 8.5.12 and below, and 9.0 through 9.2.1 allows an attacker to execute arbitrary code via a crafted script to Plural Handle of the Data Objects from System & Settings.

Exploits (1)

nomisec WRITEUP
by sromanhu · poc
https://github.com/sromanhu/CVE-2023-44765_ConcreteCMS-Stored-XSS---Associations

This repository provides a detailed technical analysis of CVE-2023-44765, a stored XSS vulnerability in ConcreteCMS v9.2.1. It includes step-by-step exploitation details, payload examples, and screenshots demonstrating the attack vector in the 'Plural Handle' field of Data Objects.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: ConcreteCMS v9.2.1
Auth required
Prerequisites: Access to ConcreteCMS admin panel · Ability to modify Data Objects settings
MITRE ATT&CK
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