CVE-2026-27119 — Svelte affected by XSS in SSR `<option>` element

CVE-2026-27119

Svelte affected by XSS in SSR `<option>` element PUBLISHED

Description (CNA)

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 (CNA)

Vendor / product	Versions
sveltejs / svelte	affected >= 5.39.3, < 5.51.5

CWE

CWE-79

References

https://github.com/sveltejs/svelte/security/advisories/GHSA-h7h7-mm68-gmrc

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.