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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
sveltejs svelte
< 5.55.7affected
References
- https://github.com/sveltejs/svelte/security/advisories/GHSA-rcqx-6q8c-2c42 ↗
- https://github.com/sveltejs/svelte/releases/tag/svelte%405.55.7 ↗
- https://access.redhat.com/security/cve/CVE-2026-42573 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=2487093 ↗
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-42573.json ↗