Kirki – Freeform Page Builder, Website Builder & Customizer 6.2.1 - 6.2.5 - Unauthenticated Stored Cross-Site Scripting

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-84219
CVSS 7.2 (High)
Publicly Published September 8, 2026
Last Updated September 9, 2026
Researcher Jakub Herman

Description

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions 6.2.1 through 6.2.5. This is due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Learn more about Cross-Site Scripting vulnerabilities and how to prevent them.

References

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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 6.3.0, or a newer patched version
Affected Version
  • 6.2.1 - 6.2.5
Patched Version
  • 6.3.0

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

# Title CVE ID CVSS Researchers Date
1 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
2 Kirki – Freeform Page Builder, Website Builder & Customizer <= 6.3.1 - Unauthenticated Remote Code Execution CVE-2026-103065 9.8 Dthangws October 1, 2026
3 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
4 Kirki 6.0.0 - 6.3.0 - Authenticated (Author+) Stored Cross-Site Scripting CVE-2026-84223 6.4 Mohammed Abd Alrahman September 18, 2026
5 Kirki <= 6.2.0 - Unauthenticated Stored Cross-Site Scripting via 'comment' Parameter CVE-2026-17037 7.2 daroo September 10, 2026
6 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
7 Kirki – Freeform Page Builder, Website Builder & Customizer 6.0.0 - 6.2.5 - Authenticated (Editor+) SQL Injection CVE-2026-84221 4.9 Karthik Ramakrishnan September 5, 2026
8 Kirki – Freeform Page Builder, Website Builder & Customizer 6.0.0 - 6.2.5 - Authenticated (Custom Role+) Insecure Direct Object Reference CVE-2026-84225 4.3 Revanth Meesala September 5, 2026
9 Kirki – Freeform Page Builder, Website Builder & Customizer < 6.0.14 - Missing Authorization CVE-2026-77754 5.3 Vaibhav Narkhede August 26, 2026
10 Kirki – Freeform Page Builder, Website Builder & Customizer < 6.2.1 - Unauthenticated Remote Code Execution CVE-2026-16747 9.8 Jakub Herman August 24, 2026

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