Schlix CMS before v2.2.9-5 is vulnerable to Cross Site Scripting (XSS). Due to lack of javascript sanitization in the login form, incorrect login attempts in logs are triggered as XSS in the admin panel.Referenceshttps://www.schlix.com/news/release/december-2025-errata-5-bug-fix-release.html#:~:text=Fixed%20XSS%20vulnerability%20bug%20when%20clicking%20New%20User%20%28thank%20you%20to%20Ak%C4%B1ner%20K%C4%B1sa%20who%20reported%20this%20security%20bug%20and%20provided%20reasonable%20time%20to%20fix%29https://gist.github.com/akinerkisa/b22f4517a4011d049c5fc7fd3b29c9f2
