CVE-2018-20239

lowpriority · track · 23EPSS 0.033 · 89 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.34% (89th) EPSS

CVSS 3.5 · low

Is it mine?

23 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.15mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

affected products (23)

Products and version ranges known to be affected.

Atlassian Atlassian Application Links5.1.0 → unspecifiedenisa_euvdEU
Atlassian Atlassian Application Links5.3.0 → unspecifiedenisa_euvdEU
Atlassian Atlassian Application Links5.4.0 → unspecifiedenisa_euvdEU
Atlassian Atlassian Application Links6.0.0 → unspecifiedenisa_euvdEU
Atlassian Atlassian Application Linksunspecified → 5.0.11enisa_euvdEU
Atlassian Atlassian Application Linksunspecified → 5.2.10enisa_euvdEU
Atlassian Atlassian Application Linksunspecified → 5.3.6enisa_euvdEU
Atlassian Atlassian Application Linksunspecified → 5.4.12enisa_euvdEU
Atlassian Atlassian Application Linksunspecified → 6.0.4enisa_euvdEU
atlassian application links< 5.0.11nvdUScpe:2.3:a:atlassian:application_links:*:*:*:*:*:*:*:*
atlassian application links5.1.0 → 5.2.10nvdUScpe:2.3:a:atlassian:application_links:*:*:*:*:*:*:*:*
atlassian application links5.3.0 → 5.3.6nvdUScpe:2.3:a:atlassian:application_links:*:*:*:*:*:*:*:*
atlassian application links5.4.0 → 5.4.12nvdUScpe:2.3:a:atlassian:application_links:*:*:*:*:*:*:*:*
atlassian application links6.0.0 → 6.0.4nvdUScpe:2.3:a:atlassian:application_links:*:*:*:*:*:*:*:*
atlassian confluence data center< 6.15.2nvdUScpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:*
atlassian confluence server< 6.15.2nvdUScpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:*
atlassian crowd< 3.4.3nvdUScpe:2.3:a:atlassian:crowd:*:*:*:*:*:*:*:*
atlassian crucible< 4.7.0nvdUScpe:2.3:a:atlassian:crucible:*:*:*:*:*:*:*:*
atlassian fisheye< 4.7.0nvdUScpe:2.3:a:atlassian:fisheye:*:*:*:*:*:*:*:*
atlassian jira data center< 7.13.3nvdUScpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*

showing 20 of 23

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2019-04-30modified 2026-06-17

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+53006 more

references (19)

External citations — patches, advisories, analysis.

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