CVE-2019-20903
Cross-site scripting in @atlaskit/editor-core
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2019-20903- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2019-20903- Updated
- 2026-11-02
EUVDEUVD-2022-1115 No score
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.
- Record
EUVD-2022-1115- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-p5ch-w78f-xh44
Cross-site scripting in @atlaskit/editor-core
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.
- Record
GHSA-p5ch-w78f-xh44- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-p5ch-w78f-xh44
Cross-site scripting in @atlaskit/editor-core
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.
- Record
GHSA-p5ch-w78f-xh44- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
@atlaskit/editor-corenpm |
before 113.1.5 | 113.1.5 |
@atlaskit/editor-corenpm |
All versions | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| facts | ||
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2019-20903 is a medium vulnerability (CVSS 5.4) in Atlassian @atlaskit/editor-core, published October 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.13%, the 66th percentile. Fixed in @atlaskit/editor-core 113.1.5.
References
confluence.atlassian.com/pages/viewpage.action?pageId=1021244735
atlaskit.atlassian.com/packages/editor/editor-core/changelog/113.1.5
npmjs.com/package/%40atlaskit/editor-core
nvd.nist.gov/vuln/detail/CVE-2019-20903
bitbucket.org/atlassian/atlaskit-mk-2/commits/ca88f616e4
github.com/advisories/GHSA-p5ch-w78f-xh44