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CVE-2026-42573

Svelte: XSS via DOM Clobbering of Internal Framework State

CVSS 5.3 MEDIUMEPSS 0.2%CWE-79
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.
CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N
Produtos afetados
sveltejs · svelte

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