CVE-2025-15265
CVE-2025-15265 · Svelte 5.46.0 - Hydratable Key Script-Breakout XSS (SSR)
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An SSR XSS exists in async hydration when attacker‑controlled keys are passed to hydratable. The key is embedded inside a <script> block without HTML‑safe escaping, allowing </script> to terminate the script and inject arbitrary JavaScript. This enables remote script execution in users' browsers, with potential for session theft and account compromise. This issue affects Svelte: from 5.46.0 before 5.46.3.
CVSS 5.3 · Moyenne · EPSS 0,3% · Correctif disponible
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Pile logicielle: node