Improper Neutralization of Special Elements Used in a Template Engine in GitHub repository alfio-event/alf.io prior to 2.0-M4-2304.
https://huntr.dev/bounties/e753bce0-ce82-463b-b344-2f67b39b60ff
https://github.com/alfio-event/alf.io/commit/94e2923a317452e337393789c9f3192dfc1ddac2