Combodo iTop is a simple, web based IT Service Management tool. When displaying pages/ajax.render.php XSS are possible for scripts outside of script tags. This issue has been fixed in versions 2.7.9, 3.0.4, 3.1.0. All users are advised to upgrade. There are no known workarounds for this vulnerability.
https://github.com/Combodo/iTop/security/advisories/GHSA-mm45-wh68-jpvq