SuiteCRM is an open-source Customer Relationship Management (CRM) software application. In versions prior to 7.14.4 and 8.6.1, poor input validation allows for SQL Injection in EmailUIAjax displayView controller. Versions 7.14.4 and 8.6.1 contain a fix for this issue.
https://github.com/salesagility/SuiteCRM/security/advisories/GHSA-9rvr-mcrf-p4p7