Bug 2487093 (CVE-2026-42573) - CVE-2026-42573 svelte: Svelte: Cross-Site Scripting via DOM Clobbering
Summary: CVE-2026-42573 svelte: Svelte: Cross-Site Scripting via DOM Clobbering
Keywords:
Status: NEW
Alias: CVE-2026-42573
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-06-09 18:02 UTC by OSIDB Bzimport
Modified: 2026-06-22 09:22 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
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Description OSIDB Bzimport 2026-06-09 18:02:13 UTC 
Svelte is a performance oriented web framework. Prior to version 5.55.7, Svelte was vulnerable to DOM clobbering of its internal framework state on elements, potentially leading to XSS attacks. This issue has been patched in version 5.55.7.
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