CVE-2018-1147: 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...

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.

Metrics

EPSS Probability

1.15%

62.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Tenable	Nessus	< 7.1.0

References

http://www.securitytracker.com/id/1040918Third Party Advisory, VDB Entry
https://www.tenable.com/security/tns-2018-05Vendor Advisory
http://www.securitytracker.com/id/1040918Third Party Advisory, VDB Entry
https://www.tenable.com/security/tns-2018-05Vendor Advisory

Timeline

Published: May 18, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-1147?

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.

How severe is CVE-2018-1147?

Severity scoring for CVE-2018-1147 is pending analysis. The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.

How do I fix CVE-2018-1147?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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