CVE-2019-3923: Tenable Nessus

Medium severity, CVSS 5.4. EPSS: 0.9% chance of exploitation in the next 30 days.

Nessus versions 8.2.1 and earlier were found to contain a stored XSS vulnerability due to improper validation of user-supplied input. An authenticated, remote attacker could potentially exploit this vulnerability via a specially crafted request to execute arbitrary script code in a user's browser session. Tenable has released Nessus 8.2.2 to address this issue.

Affected products

• Tenable Nessus: up to and including 8.2.1

Published 2019-02-12. Last modified 2026-06-17.