[Arass]

Hello, I'm studying to become an information security specialist, I was given the task to crack our the site. I checked the site for vulnerability using Owasp ZAP, Nmap and :

Owasp Zap:

Alerts
Name , Risk Level, Number of Instances

Hash Disclosure - Mac OSX salted SHA-1, High, 2
Absence of Anti-CSRF Tokens, Medium, 104
Content Security Policy (CSP) Header Not Set, Medium, 102
Cookie Without Secure Flag, Low, 3
Cookie without SameSite Attribute, Low, 6
Cross-Domain JavaScript Source File Inclusion, Low, 7
Strict-Transport-Security Header Not Set, Low, 102
Content-Type Header Missing, Informational, 2
Information Disclosure - Sensitive Information in URL ,Informational, 102
Re-examine Cache-control Directives, Informational, 1
Retrieved from Cache, Informational, 102
User Controllable HTML Element Attribute (Potential XSS), Informational, 1

Nmap:

Port, State (toggle closed [0] | filtered [0]), Service, Reason
22 tcp open ssh syn-ack
80 tcp open http syn-ack
443 tcp open https syn-ack
5223 tcp open hpvirtgrp syn-ack
8070 tcp open ucs-isc syn-ack
8893 tcp open ddi-tcp-6 syn-ack
8894 tcp open ddi-tcp-7 syn-ack


How can I exploit these vulnerabilities? Please help me! Thank you in advance!