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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.

HireHackking 
# Exploit Title: Coastercms 5.8.18 - Stored XSS
# Exploit Author: Hardik Solanki
# Vendor Homepage: https://www.coastercms.org/
# Software Link: https://www.coastercms.org/
# Version: 5.8.18
# Tested on Windows 10

XSS IMPACT:
1: Steal the cookie
2: User redirection to a malicious website

Vulnerable Parameters: Edit Page tab

Steps to reproduce:
1: Navigate to "http://localhost/admin/login" and log in with
admin credentials.
2:- Then after login navigates to "Page --> Homepage --> Our Blog" and
click on the edit page.
3: Then add the payload "<script>alert(123)</script>" & Payload
"<h1>test</h1>", and cliock on update button. Saved succesfully.
4: Now, click on "View live page" and it will redirect you to the live page
at "http://localhost/homepage/blog" and XSS will get stored and
trigger on the main home page