CVE-2026-42573
Svelte Vulnerable to XSS via DOM Clobbering of Internal Framework State
EPSS 0.32%
描述
Svelte was vulnerable to DOM clobbering of its internal framework state on elements, potentially leading to XSS attacks. You are vulnerable if all of the following is true: - you are using attribute spreading on a form element - you are using attribute spreading or allow a dynamic value for the `name` attribute on an input or button element within that form - both of these are simultaneously user-controllable ```svelte <form {...spread1}> <input {...spread2}> </form> ```
如何修補 CVE-2026-42573
要修補 CVE-2026-42573,請將受影響套件升級到下列已修補版本。
- —升級至 5.55.7 或更新版本
CVE-2026-42573 正在被利用嗎?
低 — EPSS 為 0.3%,目前沒有觀察到大規模利用活動。
受影響套件(1)
- from 0, < 5.55.7
CVSS 分數
| 來源 | 版本 | 嚴重程度 | 向量 |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N |