GHSA-MP8R-X8V9-XF3Q

Vulnerability from github – Published: 2026-08-16 09:30 – Updated: 2026-08-16 09:30
VLAI
Details

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.1.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with custom-level access and above, to read arbitrary user metadata and sensitive user record fields — including email address, assigned roles, registration date, and any user_meta values — belonging to any WordPress user including administrators, by supplying a target user ID with a user-type context to the frontend collection endpoint.

Severity
4.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2026-18347"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-862"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-16T07:16:30Z",
    "severity": "MODERATE"
  },
  "details": "The Kirki \u2013 Freeform Page Builder, Website Builder \u0026 Customizer plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 6.1.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with custom-level access and above, to read arbitrary user metadata and sensitive user record fields \u2014 including email address, assigned roles, registration date, and any user_meta values \u2014 belonging to any WordPress user including administrators, by supplying a target user ID with a user-type context to the frontend collection endpoint.",
  "id": "GHSA-mp8r-x8v9-xf3q",
  "modified": "2026-08-16T09:30:22Z",
  "published": "2026-08-16T09:30:22Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-18347"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/API/Frontend/Controllers/CollectionController.php#L97"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/API/Frontend/Controllers/FrontendRESTController.php#L42"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/API/Frontend/Controllers/FrontendRESTController.php#L82"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/Ajax/Users.php#L227"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/HelperFunctions.php#L1098"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/API/Frontend/Controllers/CollectionController.php#L97"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/API/Frontend/Controllers/FrontendRESTController.php#L42"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/API/Frontend/Controllers/FrontendRESTController.php#L82"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/Ajax/Users.php#L227"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/kirki/tags/6.1.1/includes/HelperFunctions.php#L1098"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3629933%40kirki\u0026new=3629933%40kirki"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/fa1e0bcd-f881-4b01-b802-7cb18a22a07f?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}



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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.