CVE-2018-20239 json
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 5.4.1…
published 2019-04-30 7 y ago modified 2026-06-17 4 mo ago also EUVD-2018-12805
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.3%
- EPSS 3.3% chance of exploitation in 30 days, percentile 88%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Atlassian Atlassian Application Links 5.0.11, 5.2.10, 5.3.6, 5.4.12, 6.0.4
Exploit prediction
3.34% chance of exploitation in the next 30 days, higher than 88% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
Affected products
- Atlassian Atlassian Application Links
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
ecosystem.atlassian.net
/browse/APL-1373
issue-tracking, vendor-advisory
-
jira.atlassian.com
/browse/CRUC-8379
issue-tracking, vendor-advisory
-
jira.atlassian.com
/browse/FE-7161
issue-tracking, vendor-advisory
-
jira.atlassian.com
/browse/CONFSERVER-58208
issue-tracking, vendor-advisory
-
jira.atlassian.com
/browse/CWD-5362
issue-tracking, vendor-advisory
-
jira.atlassian.com
/browse/JRASERVER-68855
issue-tracking, vendor-advisory
Sources
- CVE List CVE-2018-20239
- NVD CVE-2018-20239
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.