OX App Suite through through 7.10.5 allows XSS via a crafted snippet that has an app loader reference within an app loader URL.
packetstormsecurity.com/files/165038/OX-App-Suite-7.10.5-Cross-Site-Scripting-Information-Disclosure.html
packetstormsecurity.com/files/167794/Open-Xchange-App-Suite-7.10.x-Cross-Site-Scripting-Command-Injection.html
seclists.org/fulldisclosure/2021/Nov/43
seclists.org/fulldisclosure/2022/Jul/11
www.open-xchange.com