CVE-2019-3962 Cross-site scripting in Nessus

What is CVE-2019-3962?

CVE-2019-3962 is a low-severity cross-site scripting vulnerability in Tenable Nessus, published on 1 Jul 2019. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

Content Injection vulnerability in Tenable Nessus prior to 8.5.0 may allow an authenticated, local attacker to exploit this vulnerability by convincing another targeted Nessus user to view a malicious URL and use Nessus to send fraudulent messages. Successful exploitation could allow the authenticated adversary to inject arbitrary text into the feed status, which will remain saved post session expiration.

Weakness: CWE-79

Which versions are affected by CVE-2019-3962?

It affects 1 product.

Products include Tenable Nessus.

How do I fix CVE-2019-3962?

No fix has been published for CVE-2019-3962 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2019-3962 being exploited?

There is no known exploitation of CVE-2019-3962 in the wild and no public exploit code.

Other vulnerabilities in Tenable Nessus

• CVE-2022-4313 Command injection in Tenable.io, Tenable.sc and Nessus High 8.8
• CVE-2023-0524 Privilege escalation in Tenable.io, Tenable.sc, Nessus High 8.8
• CVE-2023-0101 Privilege escalation in Nessus High 8.8
• CVE-2022-32973 Privilege escalation in Nessus High 8.8
• CVE-2025-36630 Local Privilege Escalation High 8.4

All Tenable Nessus vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-6qcm-fw4g-v4h2.