CVE-2026-27122
EPSS 0.01%Svelte SSR does not validate dynamic element tag names in `<svelte:element>`
發布日:2026/2/19修改日:2026/4/4
描述
When using `<svelte:element this={tag}>` in server-side rendering, the provided tag name is not validated or sanitized before being emitted into the HTML output. If the tag string contains unexpected characters, it can result in HTML injection in the SSR output. Client-side rendering is not affected.
受影響套件(1)
- npm/sveltefrom 0, < 5.51.5
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:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:H/SA:N |