Kirki <= 6.2.0 - Unauthenticated Stored Cross-Site Scripting via 'comment' Parameter

7.2
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2026-17037
CVSS 7.2 (High)
Publicly Published September 10, 2026
Last Updated September 11, 2026
Researcher daroo

Description

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘comment’ parameter in all versions up to, and including, 6.2.0 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

Share

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
  • <= 6.2.0
Patched Version
  • 6.2.1

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 - Authenticated (Subscriber+) Arbitrary Shortcode Execution via 'display_name' CVE-2026-102291 5.4 Jacek Sowiński (dzaku) October 9, 2026
2 Kirki <= 6.3.1 - Authenticated (Editor+) Server-Side Request Forgery CVE-2026-84224 5.5 Mohammed Abd Alrahman October 9, 2026
3 Kirki <= 6.3.1 - Unauthenticated Arbitrary Shortcode Execution CVE-2026-84220 6.5 Karthik Ramakrishnan October 9, 2026
4 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
5 Kirki – Freeform Page Builder, Website Builder & Customizer <= 6.3.1 - Unauthenticated Remote Code Execution CVE-2026-103065 9.8 Dthangws October 1, 2026
6 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
7 Kirki 6.0.0 - 6.3.0 - Authenticated (Author+) Stored Cross-Site Scripting CVE-2026-84223 6.4 Mohammed Abd Alrahman September 18, 2026
8 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
9 Kirki – Freeform Page Builder, Website Builder & Customizer 6.2.1 - 6.2.5 - Unauthenticated Stored Cross-Site Scripting CVE-2026-84219 7.2 Jakub Herman September 8, 2026
10 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

Did you know Wordfence Intelligence provides free personal and commercial API access to our comprehensive WordPress vulnerability database, along with a free webhook integration to stay on top of the latest vulnerabilities added and updated in the database? Get started today!

Learn more

Want to get notified of the latest vulnerabilities that may affect your WordPress site?
Install Wordfence on your site today to get notified immediately if your site is affected by a vulnerability that has been added to our database.

Get Wordfence

The Wordfence Intelligence WordPress vulnerability database is completely free to access and query via API. Please review the documentation on how to access and consume the vulnerability data via API.

Documentation