Concrete5 8.5.4 - 'name' Stored XSS

Author: Quadron Research Lab
type: webapps
platform: php
port: 
date_added: 2021-03-29  
date_updated: 2021-03-29  
verified: 0  
codes: CVE-2021-3111  
tags:   
aliases:   
screenshot_url:   
application_url:   

raw file: 49721.txt  

# Exploit Title: Concrete5 8.5.4 - 'name' Stored XSS
# Date: 2021-01
# Exploit Author: Quadron Research Lab
# Version: Concrete5 8.5.4
# Tested on: Windows 10 x64 HUN/ENG Professional
# Vendor: Concrete5 CMS (https://www.concrete5.org)
# CVE: CVE-2021-3111

[Suggested description]
The Express Entries Dashboard inConcrete5 8.5.4 allows stored XSS via the name field of a new data object at anindex.php/dashboard/express/entries/view/ URI.

[Attack Vectors]
Creating a new data object, the name field is not filtered.  It is possible to place JavaScript code. [Stored XSS]

Proof of Concept
https://github.com/Quadron-Research-Lab/CVE/blob/main/CVE-2021-3111.pdf