GHSA-H683-9PFQ-8V3C

Vulnerability from github – Published: 2026-07-10 06:31 – Updated: 2026-07-10 06:31
VLAI
Details

The King Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'form_page_id' parameter in versions up to, and including, 51.1.62 This is due to insufficient input sanitization in the add_to_submissions() function, which applies sanitize_text_field() (which preserves double-quote characters) before storing the value in post meta, combined with missing output escaping in the king_addons_submissions_custom_column_content() function, which concatenates the stored value into an HTML href attribute via admin_url() without wrapping the result in esc_url(). This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Severity
6.4 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
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{
  "affected": [],
  "aliases": [
    "CVE-2026-15284"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-10T05:16:31Z",
    "severity": "MODERATE"
  },
  "details": "The King Addons for Elementor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the \u0027form_page_id\u0027 parameter in versions up to, and including, 51.1.62 This is due to insufficient input sanitization in the add_to_submissions() function, which applies sanitize_text_field() (which preserves double-quote characters) before storing the value in post meta, combined with missing output escaping in the king_addons_submissions_custom_column_content() function, which concatenates the stored value into an HTML href attribute via admin_url() without wrapping the result in esc_url(). This makes it possible for authenticated attackers, with subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.",
  "id": "GHSA-h683-9pfq-8v3c",
  "modified": "2026-07-10T06:31:20Z",
  "published": "2026-07-10T06:31:20Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-15284"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.61/includes/widgets/Form_Builder/helpers/Create_Submission.php#L68"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.61/includes/widgets/Form_Builder/helpers/Upload_Email_File.php#L261"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.61/includes/widgets/Form_Builder/helpers/View_Submissions_Pro.php#L305"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.62/includes/widgets/Form_Builder/helpers/Create_Submission.php#L68"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.62/includes/widgets/Form_Builder/helpers/Upload_Email_File.php#L261"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/browser/king-addons/tags/51.1.62/includes/widgets/Form_Builder/helpers/View_Submissions_Pro.php#L305"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3537725/king-addons/tags/51.1.63/includes/widgets/Form_Builder/helpers/Create_Submission.php?old=3515422\u0026old_path=king-addons%2Ftags%2F51.1.62%2Fincludes%2Fwidgets%2FForm_Builder%2Fhelpers%2FCreate_Submission.php"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset/3537725/king-addons/tags/51.1.63/includes/widgets/Form_Builder/helpers/View_Submissions_Pro.php?old=3515422\u0026old_path=king-addons%2Ftags%2F51.1.62%2Fincludes%2Fwidgets%2FForm_Builder%2Fhelpers%2FView_Submissions_Pro.php"
    },
    {
      "type": "WEB",
      "url": "https://plugins.trac.wordpress.org/changeset?old_path=%2Fking-addons/tags/51.1.62\u0026new_path=%2Fking-addons/tags/51.1.63"
    },
    {
      "type": "WEB",
      "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/349ba9de-69b3-42fb-aeba-c3a24280547f?source=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/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.