Kirki – Freeform Page Builder, Website Builder & Customizer < 6.2.1 - Unauthenticated Remote Code Execution

9.8
Improper Control of Generation of Code ('Code Injection')
CVE CVE-2026-16747
CVSS 9.8 (Critical)
Publicly Published August 24, 2026
Last Updated August 24, 2026
Researcher Jakub Herman

Description

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Remote Code Execution in all versions up to 6.2.1. This is due to insufficient validation of user supplied input before it is executed. This makes it possible for unauthenticated attackers to execute arbitrary code on the server.

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Vulnerability Details for Kirki – Freeform Page Builder, Website Builder & Customizer

Software Type Plugin
Software Slug kirki (view on wordpress.org)
Patched? Yes
Remediation Update to version 6.2.1, or a newer patched version
Affected Version
  • < 6.2.1
Patched Version
  • 6.2.1

Recent vulnerabilities in Kirki – Freeform Page Builder, Website Builder & Customizer

# Title CVE ID CVSS Researchers Date
1 Kirki <= 6.2.0 - Authenticated (Custom+) Stored Cross-Site Scripting via Page Builder Text Content CVE-2026-14572 6.4 Pham Duc Anh October 14, 2026
2 Kirki – Freeform Page Builder, Website Builder & Customizer <= 6.3.1 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'display_name' CVE-2026-102291 5.4 Jacek Sowiński (dzaku) October 9, 2026
3 Kirki <= 6.3.1 - Authenticated (Editor+) Server-Side Request Forgery CVE-2026-84224 5.5 Mohammed Abd Alrahman October 9, 2026
4 Kirki <= 6.3.1 - Unauthenticated Arbitrary Shortcode Execution CVE-2026-84220 6.5 Karthik Ramakrishnan October 9, 2026
5 Kirki – Freeform Page Builder, Website Builder & Customizer <= 6.3.1 - Unauthenticated Stored Cross-Site Scripting via Registration Metadata CVE-2026-102173 7.2 Hippolyte Quéré (Hippie) (Hippie) October 6, 2026
6 Kirki – Freeform Page Builder, Website Builder & Customizer <= 6.3.1 - Unauthenticated Remote Code Execution CVE-2026-103065 9.8 Dthangws October 1, 2026
7 Kirki – Freeform Page Builder, Website Builder & Customizer <= 6.2.0 - Unauthenticated Blind Server-Side Request Forgery via 'kirki_data' Parameter CVE-2026-18335 5.4 Khoa Dang September 23, 2026
8 Kirki 6.0.0 - 6.3.0 - Authenticated (Author+) Stored Cross-Site Scripting CVE-2026-84223 6.4 Mohammed Abd Alrahman September 18, 2026
9 Kirki <= 6.2.0 - Unauthenticated Stored Cross-Site Scripting via 'comment' Parameter CVE-2026-17037 7.2 daroo September 10, 2026
10 Kirki – Freeform Page Builder, Website Builder & Customizer 6.2.1 - 6.2.5 - Unauthenticated Information Exposure CVE-2026-84222 5.3 Mohammed Abd Alrahman September 9, 2026

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