CVE-2018-20239

MEDIUM

5.4

CVSS Score

Published: April 30, 2019 at 03:28 PM UTC

Updated: June 17, 2026 at 01:52 AM UTC

8 products affected across 1 vendorJira ServerJira Data CenterCrucible

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Severity

MEDIUM5.4

Exploit prediction

EPSS 3%

Description

Application Links before version 5.0.11, from version 5.1.0 before 5.2.10, from version 5.3.0 before 5.3.6, from version 5.4.0 before 5.4.12, and from version 6.0.0 before 6.0.4 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the applinkStartingUrl parameter. The product is used as a plugin in various Atlassian products where the following are affected: Confluence before version 6.15.2, Crucible before version 4.7.0, Crowd before version 3.4.3, Fisheye before version 4.7.0, Jira before version 7.13.3 and 8.x before 8.1.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Application Links · Atlassianatlassian-app

95%

v ≥ 5.1.0v ≥ 5.3.0v ≥ 5.4.0v ≥ 6.0.0v < 5.0.11v < 5.2.10v < 5.3.6v < 5.4.12v < 6.0.45.1.0 ≤ v < 5.2.105.3.0 ≤ v < 5.3.65.4.0 ≤ v < 5.4.126.0.0 ≤ v < 6.0.45.1.0 5.3.0 5.4.0 6.0.0

Affected range stops below 5.0.11, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.2.10, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.3.6, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.4.12, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.0.4, so it looks safe — our inference, not a vendor statement

Confluence Data Center · Atlassianatlassian-app

95%

v < 6.15.2

Affected range stops below 6.15.2, so it looks safe — our inference, not a vendor statement

Confluence Server · Atlassianatlassian-app

95%

v < 6.15.2

Affected range stops below 6.15.2, so it looks safe — our inference, not a vendor statement

Crowd · Atlassianatlassian-app

95%

v < 3.4.3

Affected range stops below 3.4.3, so it looks safe — our inference, not a vendor statement

Crucible · Atlassianatlassian-app

95%

v < 4.7.0

Affected range stops below 4.7.0, so it looks safe — our inference, not a vendor statement

Fisheye · Atlassianatlassian-app

95%

v < 4.7.0

Affected range stops below 4.7.0, so it looks safe — our inference, not a vendor statement

Jira Data Center · Atlassianatlassian-app

95%

v < 7.13.38.0.0 ≤ v < 8.1.0

Affected range stops below 7.13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.1.0, so it looks safe — our inference, not a vendor statement

Jira Server · Atlassianatlassian-app

95%

v < 7.13.38.0.0 ≤ v < 8.1.0

Affected range stops below 7.13.3, so it looks safe — our inference, not a vendor statement

Affected range stops below 8.1.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references