FKIE_CVE-2026-11616

Vulnerability from fkie_nvd - Published: 2026-06-09 09:16 - Updated: 2026-07-23 08:10
Summary
The Events Calendar for GeoDirectory plugin for WordPress is vulnerable to Privilege Escalation in versions up to and including 2.3.28. This is due to the ajax_ayi_action() handler only applying strip_tags(esc_sql()) — with no allow-list — to the attacker-controlled $_POST['type'] and $_POST['postid'] values before forwarding them to update_ayi_data(), which calls update_user_meta($current_user->ID, $rsvp_args['type'], $posts). By passing type=wp_capabilities and postid=administrator, an attacker writes ['subscriber'=>true,'administrator'=>'administrator'] into their own wp_capabilities user meta; WP_User::get_role_caps() then treats the 'administrator' array key as an active role on the next request. This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to Administrator.
Impacted products
Vendor Product Version

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Events Calendar for GeoDirectory",
          "vendor": "stiofansisland",
          "versions": [
            {
              "lessThanOrEqual": "2.3.28",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@wordfence.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The Events Calendar for GeoDirectory plugin for WordPress is vulnerable to Privilege Escalation in versions up to and including 2.3.28. This is due to the ajax_ayi_action() handler  only applying strip_tags(esc_sql()) \u2014 with no allow-list \u2014 to the attacker-controlled $_POST[\u0027type\u0027] and $_POST[\u0027postid\u0027] values before forwarding them to update_ayi_data(), which calls update_user_meta($current_user-\u003eID, $rsvp_args[\u0027type\u0027], $posts). By passing type=wp_capabilities and postid=administrator, an attacker writes [\u0027subscriber\u0027=\u003etrue,\u0027administrator\u0027=\u003e\u0027administrator\u0027] into their own wp_capabilities user meta; WP_User::get_role_caps() then treats the \u0027administrator\u0027 array key as an active role on the next request. This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to Administrator."
    },
    {
      "lang": "es",
      "value": "El plugin The Events Calendar for GeoDirectory para WordPress es vulnerable a escalada de privilegios en versiones hasta la 2.3.28 inclusive. Esto se debe a que el gestor ajax_ayi_action() solo aplica strip_tags(esc_sql()) - sin lista de permitidos - a los valores $_POST[\u0027type\u0027] y $_POST[\u0027postid\u0027] controlados por el atacante antes de reenviarlos a update_ayi_data(), que llama a update_user_meta($current_user-\u003eID, $rsvp_args[\u0027type\u0027], $posts). Al pasar type=wp_capabilities y postid=administrator, un atacante escribe [\u0027subscriber\u0027=\u003etrue,\u0027administrator\u0027=\u003e\u0027administrator\u0027] en sus propios metadatos de usuario wp_capabilities; WP_User::get_role_caps() luego trata la clave de array \u0027administrator\u0027 como un rol activo en la siguiente solicitud. Esto hace posible que los atacantes autenticados, con acceso de nivel Suscriptor o superior, eleven sus privilegios a Administrador."
    }
  ],
  "id": "CVE-2026-11616",
  "lastModified": "2026-07-23T08:10:00.137",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "security@wordfence.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-11616",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-09T13:32:11.162009Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-09T09:16:28.620",
  "references": [
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/events-for-geodirectory/tags/2.3.28/includes/class-geodir-event-ayi.php#L154"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/browser/events-for-geodirectory/tags/2.3.28/includes/class-geodir-event-ayi.php#L357"
    },
    {
      "source": "security@wordfence.com",
      "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=\u0026sfph_mail=\u0026reponame=\u0026old=3533585%40events-for-geodirectory\u0026new=3533585%40events-for-geodirectory\u0026sfp_email=\u0026sfph_mail="
    },
    {
      "source": "security@wordfence.com",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/11ba187b-1fe4-4077-ad9d-a07660133e91?source=cve"
    }
  ],
  "sourceIdentifier": "security@wordfence.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-269"
        }
      ],
      "source": "security@wordfence.com",
      "type": "Secondary"
    }
  ]
}



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