Event Booking Manager for WooCommerce <= 5.7.8 - Authenticated (Shop Manager+) Privilege Escalation to 'page' Parameter

{
  "id": "ffe159ceca72382fd1c3ee794633b6f11678cd8dd0aff1aded738d0700a672ec",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-109381",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Event Booking Manager for WooCommerce <= 5.7.8 - Authenticated (Shop Manager+) Privilege Escalation to 'page' Parameter",
    "summary": "The Mage Eventpress plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 5.7.8 This is due to the mep_grant_shop_manager_access() function hooking user_has_cap and unconditionally granting manage_options whenever an attacker-controllable request marker matches — most notably $_GET['page'] starting with 'mep_' or 'mpwem_', which is never validated against an actually registered EventPress screen. This makes it possible for authenticated attackers, with Shop Manager-level access and above, to elevate their privileges to Administrator by appending ?page=mep_x to core admin URLs (options-general.",
    "evidence": "cve:CVE-2026-109381",
    "products": [
      {
        "name": {
          "value": "Event Booking Manager for WooCommerce – Sell Tickets, Event Registration, RSVP & Event Calendar",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-109381",
      "aliases": [
        "CVE-2026-109381"
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "version": "3.1",
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"
          }
        }
      ],
      "affected": [
        {
          "vendor": "magepeopleteam",
          "product": "Event Booking Manager for WooCommerce – Sell Tickets, Event Registration, RSVP & Event Calendar",
          "versions": [
            {
              "status": "affected",
              "version": "0",
              "versionType": "semver",
              "lessThanOrEqual": "5.7.8"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T16:10:34.580Z",
      "provider": "cve",
      "references": [
        "https://www.wordfence.com/threat-intel/vulnerabilities/id/076607ec-d848-4b4e-986b-31287f8f0ae4?source=cve",
        "https://plugins.trac.wordpress.org/browser/mage-eventpress/trunk/woocommerce-event-press.php#L504",
        "https://plugins.trac.wordpress.org/browser/mage-eventpress/trunk/woocommerce-event-press.php#L432",
        "https://plugins.trac.wordpress.org/browser/mage-eventpress/trunk/woocommerce-event-press.php#L405",
        "https://github.com/magepeopleteam/mage-eventpress",
        "https://plugins.trac.wordpress.org/changeset/3754150/mage-eventpress/trunk/woocommerce-event-press.php"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-109381",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T14:58:25.891058Z"
                  }
                }
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T16:10:34.580Z"
            }
          }
        ],
        "cna": {
          "orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599",
          "shortName": "Wordfence",
          "dateUpdated": "2026-10-28T06:45:05.954Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-109381",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/containers/cna/metrics"
  },
  "source_id": "core-cve",
  "document_id": 460263,
  "published_at": "2026-10-28T06:45:05.954+00:00"
}