CVE-2024-9158 XSS

What is CVE-2024-9158?

CVE-2024-9158 is a high-severity cross-site scripting vulnerability in Tenable Nessus Network Monitor, published on 30 Sep 2024. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

A stored cross site scripting vulnerability exists in Nessus Network Monitor where an authenticated, privileged local attacker could inject arbitrary code into the NNM UI via the local CLI.

Weakness: CWE-79

Which versions are affected by CVE-2024-9158?

It affects 1 product.

Products include Tenable Nessus Network Monitor.

How do I fix CVE-2024-9158?

No fix has been published for CVE-2024-9158 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-2024-9158 being exploited?

There is no known exploitation of CVE-2024-9158 in the wild and no public exploit code.

Other vulnerabilities in Tenable Nessus Network Monitor

• CVE-2025-24917 Improper Access Control leads to Local Privilege Escalation High 7.8
• CVE-2020-5794 Path traversal in Nessus Network Monitor High 7.8
• CVE-2023-5624 Blind SQL Injection High 7.2
• CVE-2023-5622 Privilege Escalation High 7.1
• CVE-2025-24916 Improper Access Control leads to Local Priviledge Escalation High 7.0

Sources

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

Also known as GHSA-x6r9-hvfc-r4m7.