How severe is CVE-2016-9259?

CVE-2016-9259 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2016-9259 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-9259?

CVE-2016-9259 primarily affects Tenable Nessus. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-9259?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-9259 published?

CVE-2016-9259 was published on 2017-02-28 and last updated on 2026-06-17.

CVE-2016-9259

CVE-2016-9259 is a medium-severity vulnerability in Tenable Nessus with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (55th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tenable Nessus
Published: 2017-02-28
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in Tenable Nessus before 6.9.1 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2016-9259?: Cross-site scripting (XSS) vulnerability in Tenable Nessus before 6.9.1 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2016-9259?: CVE-2016-9259 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2016-9259 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (55th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-9259?: CVE-2016-9259 primarily affects Tenable Nessus. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-9259?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-9259 published?: CVE-2016-9259 was published on 2017-02-28 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:tenable:nessus:6.8:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus:6.8.1:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus:6.8.2:*:*:*:*:*:*:*
cpe:2.3:a:tenable:nessus:6.9:*:*:*:*:*:*:*

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