CVE-2020-15307: Nozominetworks Guardian

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

Nozomi Guardian before 19.0.4 allows attackers to achieve stored XSS (in the web front end) by leveraging the ability to create a custom field with a crafted field name.

Affected products

• Nozominetworks Guardian: before 19.0.4 (fixed in 19.0.4)

Published 2020-06-30. Last modified 2026-06-17.