Is CVE-2018-1000856 actively exploited?

No active exploitation of CVE-2018-1000856 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2018-1000856 be exploited remotely?

Yes. CVE-2018-1000856 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2018-1000856?

CVE-2018-1000856 has a CVSS score of 4.8 (MEDIUM).

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MEDIUM

CVE-2018-1000856

CWE-79Published: December 20, 2018· Updated: Jun 17, 2026

4.8

CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2018-1000856 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.

From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.