CVE-2018-7831

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.

CVSS v3.0

8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

0.64% chance of exploitation in the next 30 days, 48th percentile

Published

2018-11-30

Updated

2024-08-05

Proof-of-concept exploits (1)

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

References

• CVE Record
• NVD entry

Related

• CVE-2018-7830
• CVE-2018-7841
• CVE-2018-7811
• CVE-2018-7842
• CVE-2018-7810
• CVE-2018-7843