CVE-2019-20903
MEDIUMCVSS 5.4/10EPSS 1.11%
Last modified
CVE-2019-20903 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 1.11% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Atlassian | Editor-Core | < 113.1.5 |
References
- https://atlaskit.atlassian.com/packages/editor/editor-core/changelog/113.1.5Release Notes, Vendor Advisory
- https://atlaskit.atlassian.com/packages/editor/editor-core/changelog/113.1.5Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-20903?
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.
How severe is CVE-2019-20903?
CVE-2019-20903 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20903?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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Are you affected by CVE-2019-20903?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST