How severe is CVE-2018-1000856?

CVE-2018-1000856 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-2018-1000856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-1000856?

CVE-2018-1000856 affects Domainmod. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-1000856?

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

When was CVE-2018-1000856 published?

CVE-2018-1000856 was published on 2018-12-20 and last updated on 2026-06-17.

CVE-2018-1000856

CVE-2018-1000856 is a medium-severity vulnerability in Domainmod 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% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Domainmod
Published: 2018-12-20
Last modified: 2026-06-17

Description

DomainMOD version 4.09.03 and above. Also verified in the latest version 4.11.01 contains a Cross Site Scripting (XSS) vulnerability in Segment Name field in the segments page that can result in Arbitrary script can be executed on all users browsers who visit the affected page. This attack appear to be exploitable via Victim must visit the vulnerable page. This vulnerability appears to have been fixed in No fix yet.

Frequently asked questions

What is CVE-2018-1000856?: DomainMOD version 4.09.03 and above. Also verified in the latest version 4.11.01 contains a Cross Site Scripting (XSS) vulnerability in Segment Name field in the segments page that can result in Arbitrary script can be executed on all users browsers who visit the affected page. This attack appear to be exploitable via Victim must visit the vulnerable page. This vulnerability appears to have been fixed in No fix yet.
How severe is CVE-2018-1000856?: CVE-2018-1000856 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-2018-1000856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-1000856?: CVE-2018-1000856 affects Domainmod. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-1000856?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-1000856 published?: CVE-2018-1000856 was published on 2018-12-20 and last updated on 2026-06-17.

References

https://github.com/domainmod/domainmod/issues/80

Affected products (1)

cpe:2.3:a:domainmod:domainmod:*:*:*:*:*:*:*:*

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