CVE-2026-27902
CVE-2026-27902 · Svelte Vulnerable to XSS via HTML Comment Injection in SSR Error Boundary Hydration Markers
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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.
CVSS 5.3 · Moyenne · EPSS 0,3% · Correctif disponible
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Pile logicielle: node