How severe is CVE-2017-17089?

CVE-2017-17089 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-17089 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17089?

CVE-2017-17089 affects Webmin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-17089?

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

When was CVE-2017-17089 published?

CVE-2017-17089 was published on 2017-12-30 and last updated on 2026-06-17.

CVE-2017-17089

CVE-2017-17089 is a medium-severity vulnerability in Webmin with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Webmin
Published: 2017-12-30
Last modified: 2026-06-17

Description

custom/run.cgi in Webmin before 1.870 allows remote authenticated administrators to conduct XSS attacks via the description field in the custom command functionality.

Frequently asked questions

What is CVE-2017-17089?: custom/run.cgi in Webmin before 1.870 allows remote authenticated administrators to conduct XSS attacks via the description field in the custom command functionality.
How severe is CVE-2017-17089?: CVE-2017-17089 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-17089 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17089?: CVE-2017-17089 affects Webmin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17089?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-17089 published?: CVE-2017-17089 was published on 2017-12-30 and last updated on 2026-06-17.

References

Affected products (1)

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

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