CVE-2018-1147: Tenable Nessus

Medium severity, CVSS 5.4. EPSS: 1.1% chance of exploitation in the next 30 days.

In Nessus before 7.1.0, a XSS vulnerability exists due to improper input validation. A remote authenticated attacker could create and upload a .nessus file, which may be viewed by an administrator allowing for the execution of arbitrary script code in a user's browser session. In other scenarios, XSS could also occur by altering variables from the Advanced Settings.

Affected products

• Tenable Nessus: before 7.1.0 (fixed in 7.1.0)

Published 2018-05-18. Last modified 2026-06-17.