Instead of relying on .innerHTML which executes embedded script code to parse a given HTML fragment, use dom.parse() which utilizies DOMParser() internally in order to extract textContent in a safe manner. Fixes: FS#4199 Ref: https://bugs.openwrt.org/index.php?do=details&task_id=4199 Signed-off-by: Jo-Philipp Wich <jo@mein.io> (cherry picked from commit 993151504e8e810c083d3257555bdcdc2f00673a)