CVE-2018-13391

Severity: medium (CVSS 5.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-08-28 · updated 2026-06-17
Weakness: CWE-200

Description

The ProfileLinkUserFormat component of Jira Server before version 7.6.8, from version 7.7.0 before version 7.7.5, from version 7.8.0 before version 7.8.5, from version 7.9.0 before version 7.9.3, from version 7.10.0 before version 7.10.3 and from version 7.11.0 before version 7.11.2 allows remote attackers who can access & view an issue to obtain the email address of the reporter and assignee user of an issue despite the configured email visibility setting being set to hidden.

Affected products

Atlassian Jira: before 7.6.8 — fixed in 7.6.8
Atlassian Jira: from 7.7.0 before 7.7.5; from 7.8.0 before 7.8.5; from 7.9.0 before 7.9.3; from 7.10.0 before 7.10.3; from 7.11.0 before 7.11.2 — fixed in 7.10.3, 7.11.2, 7.7.5, 7.8.5, 7.9.3

How to fix

Upgrade to a fixed version: Atlassian Jira 7.6.8; Atlassian Jira 7.10.3, 7.11.2, 7.7.5, 7.8.5. Check the vendor advisory for mitigations.

References

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