Advantech EKI-1524, EKI-1522, EKI-1521 devices through 1.21 are affected by a Stored Cross-Site Scripting vulnerability, which can be triggered by authenticated users in the ping tool of the web-interface.
Advantech EKI-1524-CE series, EKI-1522 series,and EKI-1521 series versions 1.21 and below and 1.24 and below suffer from cross site scripting vulnerabilities.