Cross-site scripting in @atlaskit/editor-core

MEDIUM 5.4CVE-2019-20903 · GHSA-p5ch-w78f-xh44 · Published 01/10/2020 · updated 17/06/2026

In short

CVE-2019-20903 is a MEDIUM (CVSS 5.4) vulnerability affecting editor-core (atlassian), @atlaskit/editor-core.
Chance of exploitation in the next 30 days (EPSS): 1.1%, higher than 66.4% of all vulnerabilities.
Fix: update to 113.1.5 or later.

Package	Affected versions	Patched versions
editor-core atlassian	`< 113.1.5`	`113.1.5`
@atlaskit/editor-core npm	`all versions`	No fix yet

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.

NVD description

References

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