CVE-2017-18083

Severity: medium (CVSS 5.4 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 editinword resource in Atlassian Confluence Server before version 6.4.0 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the contents of an uploaded file.

Affected products

Atlassian Confluence: before 6.4.0 — fixed in 6.4.0

How to fix

Upgrade to a fixed version: Atlassian Confluence 6.4.0. Check the vendor advisory for mitigations.

References

https://jira.atlassian.com/browse/CONFSERVER-54903
https://jira.atlassian.com/browse/CONFSERVER-54903

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