CVE-2026-104021

{
  "etk_id": "ETK-2026-1163",
  "cve_id": "CVE-2026-104021",
  "display_id": "CVE-2026-104021",
  "ghsa_id": "GHSA-hm53-mjmf-w6v4",
  "euvd_id": "EUVD-2026-96068",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Authenticated code injection in Fastcache by Host.it",
  "summary": "Fastcache by Host.it for WordPress through version 1.7.4 allows code injection through its cache-cookie exclusion setting. An authenticated WordPress administrator can alter Apache .htaccess directives, potentially changing server behavior or causing code to run. Lower-privileged WordPress roles are not affected by this attack path.",
  "mitigation": "Disable or remove Fastcache by Host.it on affected sites until a corrected release is available. Restrict WordPress administrator access and monitor .htaccess files for unexpected changes.",
  "vendor": "hostspa",
  "product": "Fastcache by Host.it",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 1.7.4"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "Fastcache by Host.it",
      "purl": null
    }
  ],
  "cwes": [
    94
  ],
  "cvss_score": 7.2,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.004,
  "epss_percentile": 0.3278,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 54.89518875,
  "t0_at": "2026-10-10T04:26:48.359000+00:00",
  "signals": {
    "trigger_signal": {
      "at": "2026-10-10T04:26:48.359000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-10T04:26:48.359000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-104021"
    }
  }
}