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Vulnerabilities

Vulnerability · CVE-2026-16144

kaliforms contact_form_builder Improper Control of Generation of Code ('Code Injection')

Published Aug 5, 2026 · catalog updated Aug 5, 2026 · kaliforms contact_form_builder Improper Control

Patch now

CVE-2026-16144 is in the CISA known-exploited catalog. Confirm kaliforms contact_form_builder Improper Control against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (kaliforms contact_form_builder Improper Control).
Severity
Unknown—
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
1.19%
Remediation
Remediation guidance
Affected products
stated contact_form_builder · vendor kaliforms contact_form_builder

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 ('thisP

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated contact_form_builder<= 2.4.20
  • vendor kaliforms contact_form_builderversion unspecified

How to fix CVE-2026-16144

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2026-16144 is in the CISA known-exploited catalog. Confirm kaliforms contact_form_builder Improper Control against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Compare what you have installed with <= 2.4.20. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

No weakness class is stored. EPSS 1.19%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Aug 5, 2026 · VulnCheck KEV

    Detected

    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

  2. Aug 5, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

Sources

  • CVE.orgVulnerability recordCVE-2026-16144

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-16144

    30-day exploitation probability 1.2%

    first.org
  • VulnCheck KEVConfirmed exploitationCVE-2026-16144

    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 overwrit

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.