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5.1 Medium

CVE-2026-27119 svelte performance oriented web framework

Description

svelte performance oriented web framework. From 5.39.3, <=5.51.4, in certain circumstances, the server-side rendering output of an <option> element does not properly escape its content, potentially allowing HTML injection in the SSR output. Client-side rendering is not affected. This vulnerability is fixed in 5.51.5.

Affected products and versions

Product Affected versions Fixed in
svelte 5.39 5.39.3 → < 5.51.5 5.51.5

Other CVEs of svelte

The 10 CVEs of svelte →
CVE-2026-42599 Svelte is a performance oriented web framework 5.1 Medium CVE-2026-42567 Svelte is a performance oriented web framework 5.9 Medium CVE-2026-42573 Svelte is a performance oriented web framework 5.3 Medium CVE-2026-27902 Svelte performance oriented web framework 5.3 Medium
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