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CVE-2026-27902

MEDIUM CVSS: 5.4 Published: 2026-02-26 Modified: 2026-06-17

Description

Svelte performance oriented web framework. Prior to version 5.53.5, errors from `transformError` were not correctly escaped prior to being embedded in the HTML output, causing potential HTML injection and XSS if attacker-controlled content is returned from `transformError`. Version 5.53.5 fixes the issue.

Affected Platforms

Svelte Svelte

Weakness Type

CWE-79

References