SaltOS 3.1 r8126 allows action=ajax&query=numbers&page=usuarios&action2=[SQL] SQL Injection.
https://www.exploit-db.com/exploits/45733/
https://euvd.enisa.europa.eu/vulnerability/EUVD-2018-10479
http://packetstormsecurity.com/files/150004/SaltOS-Erp-Crm-3.1-r8126-SQL-Injection.html