CVE-2026-42573
MEDIUM WAF: High
CVSS 6.1
Published: 2026-06-09
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.
WAF Coverage Analysis
Cross-Site Scripting (XSS)
High WAF Coverage
OWASP: A03:2021 Injection
941xxx - XSS / XXE
Affected Software
| Vendor | Product | Version |
|---|---|---|
| svelte | svelte | up to 5.55.7 |
References
- github.com (Product, Release Notes)
- github.com (Vendor Advisory)