Security Advisories
CVEs affecting projects tracked on Release Alert, from NVD & OSV.
CVE-2026-27902
5.4
MEDIUMCVSS v3
Published
February 26, 2026
Affected
5 projects
Assigned by
GitHub
Severity scale
010
Description
Svelte performance oriented web framework. Prior to version 5.53.5, errors from `transformError` were not correctly escaped prior to being embedded in the HTML output, causing potential HTML injection and XSS if attacker-controlled content is returned from `transformError`. Version 5.53.5 fixes the issue.
@storybook/svelte
NPMStorybook Svelte renderer: Develop, document, and test UI components in isolation.
NPMStorybook Svelte renderer: Develop, document, and test UI components in isolation.>= 5.53.0, < 5.53.5NVD
sveltejs/svelte
GitHub
RubyGems