GHSA-XF8M-6J3R-C89P

Vulnerability from github – Published: 2026-09-01 06:32 – Updated: 2026-09-01 06:32
VLAI
Details

The Master Addons for Elementor – Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder & Template Kits plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 3.1.9 via the upload_template_kit function. This is due to incorrect authorization on the upload_template_kit() AJAX handler, which requires only upload_files capability instead of the manage_options required by all sibling handlers, combined with missing per-entry file type filtering after ZIP extraction. This makes it possible for authenticated attackers, with editor-level access and above, to upload files that may be executable, which makes remote code execution possible. Editors can satisfy the nonce requirement because the required nonces are localized on the standard Pages list screen, which is accessible to any user with the edit_pages capability.

Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
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{
  "affected": [],
  "aliases": [
    "CVE-2026-75921"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-863"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-01T05:17:09Z",
    "severity": "HIGH"
  },
  "details": "The Master Addons for Elementor \u2013 Elementor Addons, Widgets, Mega Menu Builder, Popup Builder, Widget Builder \u0026 Template Kits plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 3.1.9 via the upload_template_kit function. This is due to incorrect authorization on the upload_template_kit() AJAX handler, which requires only upload_files capability instead of the manage_options required by all sibling handlers, combined with missing per-entry file type filtering after ZIP extraction. This makes it possible for authenticated attackers, with editor-level access and above, to upload files that may be executable, which makes remote code execution possible. Editors can satisfy the nonce requirement because the required nonces are localized on the standard Pages list screen, which is accessible to any user with the edit_pages capability.",
  "id": "GHSA-xf8m-6j3r-c89p",
  "modified": "2026-09-01T06:32:54Z",
  "published": "2026-09-01T06:32:54Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-75921"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/master-addons/tags/3.1.8/inc/admin/page-importer.php#L84"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/master-addons/tags/3.1.8/inc/admin/templates/kits/class-importer.php#L2124"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/master-addons/tags/3.1.8/inc/admin/templates/kits/class-importer.php#L2198"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/master-addons/tags/3.1.8/inc/admin/templates/kits/class-importer.php#L49"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/master-addons/tags/3.1.9/inc/admin/page-importer.php#L84"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/master-addons/tags/3.1.9/inc/admin/templates/kits/class-importer.php#L2124"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/master-addons/tags/3.1.9/inc/admin/templates/kits/class-importer.php#L2198"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/master-addons/tags/3.1.9/inc/admin/templates/kits/class-importer.php#L49"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset?reponame=\u0026old=3666783%40master-addons\u0026new=3666783%40master-addons"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/11314a07-70f7-4a63-837f-4812905a55fe?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.