How severe is CVE-2023-24494?

CVE-2023-24494 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-2023-24494 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-24494?

CVE-2023-24494 affects Tenable Tenable.sc. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-24494?

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

When was CVE-2023-24494 published?

CVE-2023-24494 was published on 2023-01-26 and last updated on 2026-06-17.

CVE-2023-24494

CVE-2023-24494 is a medium-severity vulnerability in Tenable Tenable.sc 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)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tenable Tenable.sc
Published: 2023-01-26
Last modified: 2026-06-17

Description

A stored cross-site scripting (XSS) vulnerability exists in Tenable.sc due to improper validation of user-supplied input before returning it to users. An authenticated, remote attacker can exploit this by convincing a user to click a specially crafted URL, to execute arbitrary script code in a user's browser session.

Frequently asked questions

What is CVE-2023-24494?: A stored cross-site scripting (XSS) vulnerability exists in Tenable.sc due to improper validation of user-supplied input before returning it to users. An authenticated, remote attacker can exploit this by convincing a user to click a specially crafted URL, to execute arbitrary script code in a user's browser session.
How severe is CVE-2023-24494?: CVE-2023-24494 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-2023-24494 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-24494?: CVE-2023-24494 affects Tenable Tenable.sc. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-24494?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-24494 published?: CVE-2023-24494 was published on 2023-01-26 and last updated on 2026-06-17.

References

https://www.tenable.com/security/tns-2023-03

Affected products (1)

cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*

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