An issue was discovered in Moxa NPort 5110 versions prior to 2.6 NPort 5130/5150 Series versions prior to 3.6 NPort 5200 Series versions prior to 2.8 NPort 5400 Series versions prior to 3.11 NPort 5600 Series versions prior to 3.7 NPort 5100A Series & NPort P5150A versions prior to 1.3 NPort 5200A Series versions prior to 1.3 NPort 5150AI-M12 Series versions prior to 1.2 NPort 5250AI-M12 Series versions prior to 1.2 NPort 5450AI-M12 Series versions prior to 1.2 NPort 5600-8-DT Series versions prior to 2.4 NPort 5600-8-DTL Series versions prior to 2.4 NPort 6x50 Series versions prior to 1.13.11 NPort IA5450A versions prior to v1.4. User-controlled input is not neutralized before being output to web page (CROSS-SITE SCRIPTING).