What is CVE-2019-3923?

CVE-2019-3923 is a medium-severity vulnerability in Tenable Nessus, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-02-12.

How severe is CVE-2019-3923?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Tenable Nessus

CVE-2019-3923

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (55.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Tenable Nessus
Tenable Nessus — versions All versions prior to 8.2.2

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

vulnreport@tenable.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2019-3923?: CVE-2019-3923 is a medium-severity vulnerability in Tenable Nessus, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-02-12.
How severe is CVE-2019-3923?: Medium severity. CVSS v3 base score is 5.4 out of 10.