xianrendzw EasyReport SQL Preview Endpoint DesignerController.java previewSqlText special elements in template engine

A vulnerability was found in xianrendzw EasyReport up to 2.0.17.0522_Beta. Affected is the function execSqlText/previewSqlText of the file DesignerController.java of the component SQL Preview Endpoint. The manipulation of the argument sqlText results in improper neutralization of special elements used in a template engine. The attack can be executed remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.