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Vulnerability record · CVE-2026-3584 · published 20 March 2026

CVE-2026-3584: Code injection vulnerability

The Kali Forms plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.4.9 via the 'form_process' function. This is due to the 'prepare_post_data' function mapping user-supplied keys directly into internal placeholder storage, combined with the use of 'call_user_func' on these placeholder values. This makes it possible for unauthenticated attackers to execute code on the server.

9.8 CVSS 3.1 Critical EPSS 4.4% · top 9.0% CWE-94 · Code injection Deferred
9.8CVSS 3.1 base score
4.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
3References
17 Jun 2026Last modified by NVD

Description

The Kali Forms plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 2.4.9 via the 'form_process' function. This is due to the 'prepare_post_data' function mapping user-supplied keys directly into internal placeholder storage, combined with the use of 'call_user_func' on these placeholder values. This makes it possible for unauthenticated attackers to execute code on the server.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

LinkTags
https://plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.9/Inc/Frontend/class-form-processor.php#L697
https://plugins.trac.wordpress.org/changeset/3487024/kali-forms
https://www.wordfence.com/threat-intel/vulnerabilities/id/6cecd06f-c064-49fd-b3fa-505a5a0c2e0b?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-3584), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.