How severe is CVE-2023-38311?

CVE-2023-38311 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-2023-38311 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38311?

CVE-2023-38311 affects Webmin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38311?

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

When was CVE-2023-38311 published?

CVE-2023-38311 was published on 2023-07-31 and last updated on 2026-06-17.

CVE-2023-38311

CVE-2023-38311 is a medium-severity vulnerability in Webmin 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: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Webmin
Published: 2023-07-31
Last modified: 2026-06-17

Description

An issue was discovered in Webmin 2.021. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the System Logs Viewer functionality. The vulnerability allows an attacker to store a malicious payload in the configuration field, triggering the execution of the payload when saving the configuration or when accessing the System Logs Viewer page.

Frequently asked questions

What is CVE-2023-38311?: An issue was discovered in Webmin 2.021. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the System Logs Viewer functionality. The vulnerability allows an attacker to store a malicious payload in the configuration field, triggering the execution of the payload when saving the configuration or when accessing the System Logs Viewer page.
How severe is CVE-2023-38311?: CVE-2023-38311 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-2023-38311 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38311?: CVE-2023-38311 affects Webmin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38311?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-38311 published?: CVE-2023-38311 was published on 2023-07-31 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:webmin:webmin:2.021:*:*:*:*:*:*:*

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