The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.
Nessus versions 8.4.0 and earlier were found to contain a reflected XSS vulnerability due to improper validation of user-supplied input. An unauthenticated, remote attacker could potentially exploit this vulnerability via a specially crafted request to execute arbitrary script code in a users browser session.
Base Score: 4.3
Impact Score: 2.9
Exploitability Score: 8.6
Base Score: 6.1
Impact Score: 2.7
Exploitability Score: 2.8
cpe:2.3:a:tenable:nessus:*:*:*:*:*:*:*:* versions up to 8.4.0 (inclusive)