CVE-2026-104798

{
  "etk_id": "ETK-2026-1755",
  "cve_id": "CVE-2026-104798",
  "display_id": "CVE-2026-104798",
  "ghsa_id": "GHSA-jcj4-jrhq-cjvh",
  "euvd_id": "EUVD-2026-102653",
  "status": "published",
  "anchor_state": "anchored",
  "title": "Unauthenticated privilege escalation in My Calendar for WordPress",
  "summary": "My Calendar – Accessible Event Manager for WordPress versions through 3.8.7 are affected by an unauthenticated privilege-escalation flaw. A remote attacker may modify the initial administrator account and obtain WordPress administrative access when the plugin’s public calendar page is accessible.",
  "mitigation": "Disable the plugin on affected sites, or restrict unauthenticated access to its automatically created calendar page until it can be removed or replaced. Block requests carrying the `mcs` parameter at the web tier as an additional exposure-reduction measure.",
  "vendor": "joedolson",
  "product": "My Calendar – Accessible Event Manager",
  "affected": [
    {
      "affected_notes": [],
      "affected_ranges": [
        ">= 0, <= 3.4.24",
        ">= 3.5, <= 3.5.21",
        ">= 3.6, <= 3.6.17",
        ">= 3.7, <= 3.7.17",
        ">= 3.8, <= 3.8.7"
      ],
      "ecosystem": null,
      "fixed_versions": [],
      "package_name": "My Calendar – Accessible Event Manager",
      "purl": null
    }
  ],
  "cwes": null,
  "cvss_score": 9.8,
  "cvss_src": "cna_vendor",
  "cvss_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
  "epss_score": 0.0089,
  "epss_percentile": 0.5875,
  "epss_asof": "2026-10-20",
  "automation": "deterministic",
  "check": true,
  "check_confidence_basis": "differential",
  "exploit": false,
  "pipeline_minutes": 21.342616966666668,
  "t0_at": "2026-10-16T04:27:04.876000+00:00",
  "signals": {
    "check": {
      "at": "2026-10-16T07:52:07.926297+00:00",
      "days": 0.14239641547453705,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T04:27:04.876000+00:00",
      "url": null
    },
    "trigger_signal": {
      "at": "2026-10-16T04:27:04.876000+00:00",
      "days": 0,
      "is_lower_bound": false,
      "measured_at": "2026-10-16T04:27:04.876000+00:00",
      "url": "https://github.com/advisories/GHSA-jcj4-jrhq-cjvh"
    }
  }
}