CVE-2025-66469 NiceGUI Reflected XSS in ui.add_css, ui.add_scss, and ui.add_sass via Style Injection

NiceGUI is a Python-based UI framework. Versions 3.3.1 and below are vulnerable to Reflected XSS through its ui.addcss, ui.addscss, and ui.addsass functions. The functions lack proper sanitization or encoding for the JavaScript context they generate. An attacker can break out of the intended or...