PM8ECC PowerLogic Series 800 PowerMeter XSS Vulnerability Security Notification

This document details a reflected Cross-site Scripting (XSS) vulnerability in the Schneider Electric PowerLogic PM8ECC communications module for Series 800 PowerMeters, affecting firmware versions prior to 2.651. It provides mitigation instructions, including upgrading to firmware version 2.651, and credits researcher Mark Cross for the discovery.