Synopsis
Schneider Electric's Modicon Premium, Modicon Quantum, Modicon M340, and BMXNOR0200 controllers execute URL containing JavaScript.
Description
An Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to craft a URL containing JavaScript that will be executed within the user's browser, potentially impacting the machine the browser is running on.
Solution
Perform vendor recommended mitigations and apply available vendor upgrades.