Vulnerability 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.
CVSS Score
HIGH
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.19/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/c
- https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.20/Inc/Frontend/c
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3623024%40kali-forms&
- https://www.wordfence.com/threat-intel/vulnerabilities/id/9d692aff-8bb2-45bb-9ca
FAQ
What is CVE-2026-16144?
CVE-2026-16144 is a vulnerability with a CVSS score of 8.1 (HIGH). 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 ...
How severe is CVE-2026-16144?
CVE-2026-16144 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-16144?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.