Kali Forms <= 2.4.9 - Unauthenticated Remote Code Execution via form_process

Summary

CVECVE-2026-3584
StatePUBLISHED
AssignerWordfence
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-20 22:16:29 UTC
Updated2026-04-22 21:32:08 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

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

EPSS: 0.207760000 probability, percentile 0.956180000 (date 2026-04-22)

Problem Types: CWE-94 | CWE-94 CWE-94 Improper Control of Generation of Code ('Code Injection')


VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNADECLARED9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Wpchill Kali Forms Contact Form Drag-and-Drop Builder affected 2.4.9 semver Not specified

References

ReferenceSourceLinkTags
plugins.trac.wordpress.org/changeset/3487024/kali-forms [email protected] plugins.trac.wordpress.org
plugins.trac.wordpress.org/browser/kali-forms/tags/2.4.9/Inc/Frontend/class-form-process... [email protected] plugins.trac.wordpress.org
www.wordfence.com/threat-intel/vulnerabilities/id/6cecd06f-c064-49fd-b3fa-505a5... [email protected] www.wordfence.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: ISMAILSHADOW (en)

Additional Advisory Data

SourceTimeEvent
CNA2026-03-05T05:39:37.000ZVendor Notified
CNA2026-03-20T08:36:13.000ZDisclosed
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