CVE-2018-1147

Severity: medium (CVSS 5.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-18 · updated 2026-06-17
Weakness: CWE-79

Description

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

How to fix

Upgrade to a fixed version: Tenable Nessus 7.1.0. Check the vendor advisory for mitigations.

References

http://www.securitytracker.com/id/1040918
https://www.tenable.com/security/tns-2018-05
http://www.securitytracker.com/id/1040918
https://www.tenable.com/security/tns-2018-05

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