GHSA-3QXH-P7JC-5XH6

Vulnerability from github – Published: 2025-02-25 17:49 – Updated: 2025-02-25 17:49
VLAI?
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.

For instance, ?text=<svg/onload=alert(1)> would trigger XSS here. ```js const [text] = createResource(() => { return new URL(getRequestEvent().request.url).searchParams.get("text"); });

return ( <> Text: {text()} </> ); ```

Severity ?
7.3 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "solid-js"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2025-27109"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-116",
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2025-02-25T17:49:40Z",
    "nvd_published_at": "2025-02-21T22:15:14Z",
    "severity": "HIGH"
  },
  "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  ```",
  "id": "GHSA-3qxh-p7jc-5xh6",
  "modified": "2025-02-25T17:49:40Z",
  "published": "2025-02-25T17:49:40Z",
  "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"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Solid Lacks Escaping of HTML in JSX Fragments allows for Cross-Site Scripting (XSS)"
}


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