An issue was discovered in ILIAS 6.23, 7 before 7.22, and 8.1. An attacker can execute arbitrary code via ZIP upload.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-60650
https://docu.ilias.de/goto_docu_pg_141704_35.html
https://docu.ilias.de/goto.php?target=wiki_5307&client_id=docu#secissues