https://www.schneider-electric.com/en/download/document/SEVD-2018-327-01/

https://www.tenable.com/security/research/tra-2018-38

An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to send a specially crafted URL to a currently authenticated web server user to execute a password change on the web server.  

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An Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 allowing an attacker to send a specially crafted URL to a currently authenticated web server user to execute a password change on the web server.

ID	Name	Product	Family	Severity
500223	Schneider (CVE-2018-7831)	Tenable.ot	Tenable.ot	high
720249	Schneider Electric Modicon Multiple Controllers Basic XSS	Nessus Network Monitor	SCADA	high

CVE-2018-7831

high

Tenable Plugins

high

high