Svelte performance oriented web framework.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. Feb 26, 2026 · NIST NVD

   Detected

   Svelte performance oriented web framework. Prior to version 5.53.5, the contents of and on elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting (XSS) if rendering untrusted data as the binding's initial value on the server. Version 5.53.5 fixes the issue.

2. Jun 17, 2026 · NIST NVD

   Updated

   Svelte performance oriented web framework. Prior to version 5.53.5, the contents of and on elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting (XSS) if rendering untrusted data as the binding's initial value on the server. Version 5.53.5 fixes the issue.

Affected

• cpe svelte/svelteversion unspecified
• cpe svelte/svelte5.53.5

Sources

• NIST NVDVulnerability recordCVE-2026-27901

  Svelte performance oriented web framework. Prior to version 5.53.5, the contents of and on elements were not properly escaped. This could enable HTML injection and Cross-Site Scripting (XSS) if rendering untrusted data as the

  nvd.nist.gov

References

• Patch · github.com
• Release Notes · github.com
• Vendor Advisory · github.com