OpenSTAManager has a SQL Injection in ajax_complete.php (get_sedi endpoint)

OpenSTAManager is an open source management software for technical assistance and invoicing. In version 2.9.8 and prior, a SQL Injection vulnerability exists in the ajax_complete.php endpoint when handling the get_sedi operation. An authenticated attacker can inject malicious SQL code through the idanagrafica parameter, leading to unauthorized database access. At time of publication, no known patch exists.