CVE-2026-106102

{
  "etk_id": "ETK-2026-936",
  "cve_id": "CVE-2026-106102",
  "display_id": "CVE-2026-106102",
  "ghsa_id": "GHSA-pq96-jpmf-w254",
  "euvd_id": "EUVD-2026-93517",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Cross-site scripting in Quasar SSR metadata serialization",
  "summary": "Quasar versions before 2.22.0 can emit unescaped metadata into server-rendered page headers. An attacker who can control content used by useMeta() may cause script to run in visitors' browsers when the affected SSR page is viewed.",
  "mitigation": "Upgrade the npm quasar package to version 2.22.0 or later. Until upgrading, ensure untrusted values are HTML-encoded before they are supplied to useMeta() in SSR applications.",
  "vendor": "npm",
  "product": "quasar",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 2.21.4"
      ],
      "ecosystem": "npm",
      "fixed_versions": [
        "2.22.0"
      ],
      "package_name": "quasar",
      "purl": "pkg:npm/quasar"
    }
  ],
  "cwes": [
    79,
    116
  ],
  "cvss_score": 10,
  "cvss_src": "nvd",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N",
  "epss_score": 0.003,
  "epss_percentile": 0.2134,
  "epss_asof": "2026-10-21",
  "automation": "contextual",
  "check": true,
  "check_confidence_basis": "mechanism_verified",
  "exploit": false,
  "pipeline_minutes": 18.661305216666666,
  "t0_at": "2026-10-06T17:07:55.498000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-08T05:27:11.684066+00:00",
      "days": 1.5133817831712963,
      "is_lower_bound": false,
      "measured_at": "2026-10-06T17:07:55.498000+00:00",
      "url": null
    },
    "public_poc": {
      "at": "2026-07-21T15:32:33+00:00",
      "days": -77.06623261574074,
      "is_lower_bound": false,
      "measured_at": "2026-10-06T17:07:55.498000+00:00",
      "url": "https://github.com/quasarframework/quasar/security/advisories/GHSA-pq96-jpmf-w254"
    },
    "trigger_signal": {
      "at": "2026-10-06T17:07:55.498000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-06T17:07:55.498000+00:00",
      "url": "https://github.com/quasarframework/quasar/security/advisories/GHSA-pq96-jpmf-w254"
    }
  }
}