{"id":"GHSA-3qxh-p7jc-5xh6","summary":"Solid Lacks Escaping of HTML in JSX Fragments allows for Cross-Site Scripting (XSS)","details":"Inserts/JSX expressions inside illegal inlined JSX fragments lacked escaping, allowing user input to be rendered as HTML when put directly inside JSX fragments.\n\nFor instance, `?text=\u003csvg/onload=alert(1)\u003e` would trigger XSS here.\n```js\n  const [text] = createResource(() =\u003e {\n    return new URL(getRequestEvent().request.url).searchParams.get(\"text\");\n  });\n\n  return (\n    \u003c\u003e\n      Text: {text()}\n    \u003c/\u003e\n  );\n  ```","aliases":["CVE-2025-27109"],"modified":"2026-08-24T00:34:41.967616396Z","published":"2025-02-25T17:49:40Z","database_specific":{"github_reviewed_at":"2025-02-25T17:49:40Z","nvd_published_at":"2025-02-21T22:15:14Z","cwe_ids":["CWE-116","CWE-79"],"severity":"HIGH","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/solidjs/solid/security/advisories/GHSA-3qxh-p7jc-5xh6"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27109"},{"type":"WEB","url":"https://github.com/solidjs/solid/commit/b93956f28ed75469af6976a98728e313d0edd236"},{"type":"PACKAGE","url":"https://github.com/solidjs/solid"}],"affected":[{"package":{"name":"solid-js","ecosystem":"npm","purl":"pkg:npm/solid-js"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.9.4"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/02/GHSA-3qxh-p7jc-5xh6/GHSA-3qxh-p7jc-5xh6.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}