CVE-2017-18039

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% 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 IncomingMailServers resource in Atlassian Jira from version 6.2.1 before version 7.4.4 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the messagesThreshold parameter.

Affected products

Atlassian Jira: from 6.2.1 before 7.4.4 — fixed in 7.4.4

How to fix

Upgrade to a fixed version: Atlassian Jira 7.4.4. Check the vendor advisory for mitigations.

References

http://www.securityfocus.com/bid/103086
https://jira.atlassian.com/browse/JRASERVER-66719
http://www.securityfocus.com/bid/103086
https://jira.atlassian.com/browse/JRASERVER-66719

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