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Hacking techniques include penetration testing, network security, reverse cracking, malware analysis, vulnerability exploitation, encryption cracking, social engineering, etc., used to identify and fix security flaws in systems.

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# 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