Is CVE-2017-18103 actively exploited?

No active exploitation of CVE-2017-18103 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-18103 be exploited remotely?

Yes. CVE-2017-18103 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-18103?

CVE-2017-18103 has a CVSS score of 4.7 (MEDIUM).

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MEDIUM

CVE-2017-18103

CWE-20Published: July 18, 2018· Updated: Jun 17, 2026

4.7

CVSS v3.1

Official Description

The atlassian-http library, as used in various Atlassian products, before version 2.0.2 allows remote attackers to spoof web content in the Mozilla Firefox Browser through uploaded files that have a content-type of application/mathml+xml.

NVD Source

Technical Analysis

CVE-2017-18103 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

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.