Vision Helpdesk through 5.7.0 allows Time-Based Blind SQL injection via the Forgot Password (aka index.php?/home/forgot-password) vis_username parameter. Authentication is not needed.
https://www.visionhelpdesk.com/vision-helpdesk-v5-7-0-stable-version-released.html
https://nav1n.medium.com/sql-injection-in-vision-helpdesk-tools-a83dfc27f3ab