iTop is an web based IT Service Management tool. In version 3.2.0, an attacker may send a URL to the server to trigger a PHP error. The next user trying to load this dashboard would encounter a crashed start page. Version 3.2.1 fixes the issue by checking the provided layout_class before saving the dashboard.
https://github.com/Combodo/iTop/security/advisories/GHSA-49rq-cgv9-7hv4