CVE-2026-56660

{
  "etk_id": "ETK-2026-301",
  "cve_id": "CVE-2026-56660",
  "display_id": "CVE-2026-56660",
  "ghsa_id": "GHSA-q5rx-gppg-768r",
  "euvd_id": "EUVD-2026-91016",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unsafe archive extraction in GetSimpleCMS-CE",
  "summary": "GetSimpleCMS-CE releases before 1.5 mishandle archives processed by the update handler. An attacker able to cause a crafted update archive to be processed could write files to unintended locations, including web-served paths, and execute code with the web server's privileges.",
  "mitigation": "Upgrade GetSimpleCMS-CE to version 1.5. Until the upgrade is complete, restrict access to the update function and prevent untrusted parties from supplying update archives.",
  "vendor": "GetSimpleCMS-CE",
  "product": "GetSimpleCMS-CE",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        "<= 1.4"
      ],
      "ecosystem": "php",
      "fixed_versions": [
        "1.5"
      ],
      "package_name": "UpdateCE",
      "purl": null
    }
  ],
  "cwes": [
    352
  ],
  "cvss_score": 9.1,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H",
  "epss_score": 0.0053,
  "epss_percentile": 0.436,
  "epss_asof": "2026-10-20",
  "automation": "contextual",
  "check": false,
  "check_confidence_basis": null,
  "exploit": false,
  "pipeline_minutes": 20.119674216666667,
  "t0_at": "2026-10-01T19:37:46.187000+00:00",
  "signals": {
    "public_poc": {
      "at": "2026-07-06T16:02:22+00:00",
      "days": -87.14958549768518,
      "is_lower_bound": false,
      "measured_at": "2026-10-01T19:37:46.187000+00:00",
      "url": "https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-q5rx-gppg-768r"
    },
    "trigger_signal": {
      "at": "2026-10-01T19:37:46.187000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-01T19:37:46.187000+00:00",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-56660"
    }
  }
}