CVE-2017-18084

Severity: medium (CVSS 4.8 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-02-02 · updated 2026-06-17
Weakness: CWE-79

Description

The usermacros resource in Atlassian Confluence Server before version 6.3.4 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the description of a macro.

Affected products

Atlassian Confluence: before 6.3.4 — fixed in 6.3.4

How to fix

Upgrade to a fixed version: Atlassian Confluence 6.3.4. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/103064
https://jira.atlassian.com/browse/CONFSERVER-54904
http://www.securityfocus.com/bid/103064
https://jira.atlassian.com/browse/CONFSERVER-54904

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