CVE-2026-42573

Description

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.

References

• https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.7
• https://github.com/sveltejs/svelte/security/advisories/GHSA-rcqx-6q8c-2c42