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CVE-2026-16144

HIGH 8.1 CVSS 3.1
Published
August 1, 2026
Last modified
August 12, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-94
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The Kali Forms — Contact Form & Drag-and-Drop Builder plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.4.20 via the _save_data function. This is due to insufficient validation of the 'thisPermalink' field value before it overwrites a trusted callable placeholder, allowing attacker-controlled strings to reach call_user_func() in _save_data(). This makes it possible for unauthenticated attackers to execute code on the server. Exploitation requires the target form to define a field with a name matching one of the reserved placeholder keys ('thisPermalink', 'entryCounter', or 'submission_link'), as check_if_placeholders_changed() only processes POST keys present in the form's field_type_map.

Affected WordPress components

  • Kali Forms — Contact Form & Drag-and-Drop Builder Plugin · kali-forms
    Confirmed match Active
    Up to and including 2.4.20
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • wpchill Kali Forms — Contact Form & Drag-and-Drop Builder — Up to and including 2.4.20

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/class-form-processor.php#L1033
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/class-form-processor.php#L172
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/class-form-processor.php#L277
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/class-form-processor.php#L90
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/class-form-processor.php#L976
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/class-form-processor.php#L1033
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/class-form-processor.php#L172
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/class-form-processor.php#L277
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/class-form-processor.php#L90
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/class-form-processor.php#L976
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?reponame=&old=3623024%40kali-forms&new=3623024%40kali-forms
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/9d692aff-8bb2-45bb-9caf-bc33d3ed5b10?source=cve
  • nvd.nist.gov Official NVD record