CVE-2019-20903 json
Cross-site scripting in @atlaskit/editor-core
published 2020-10-01 6 y ago modified 2026-06-17 4 mo ago also GHSA-p5ch-w78f-xh44 , EUVD-2022-1115
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
Summary
The hyperlinks functionality in atlaskit/editor-core in before version 113.1.5 allows remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in link targets.
Patch / fix
Exploit prediction
1.13% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
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 |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | @atlaskit/editor-core | all versions |
no fix listed |
Affected products
- Atlassian @atlaskit/editor-core
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
bitbucket.org
/atlassian/atlaskit-mk-2/commits/ca88f616e4
web
-
confluence.atlassian.com
/pages/viewpage.action?pageId=1021244735
web, vendor-advisory
-
atlaskit.atlassian.com
/packages/editor/editor-core/changelog/113.1.5
web, release-notes, vendor-advisory
- npmjs.com /package/%40atlaskit/editor-core
-
nvd.nist.gov
/vuln/detail/CVE-2019-20903
advisory
-
npmjs.com
/package/@atlaskit/editor-core
web
Sources
- CVE List CVE-2019-20903
- GitHub Advisory GHSA-p5ch-w78f-xh44
- NVD CVE-2019-20903
Fencer Vulns 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.