Stored Cross-Site Scripting in Kirki Page Builder by WordPress
CVE-2026-17037

7.2HIGH

Key Information:

Vendor

WordPress
Status
Kirki – Freeform Page Builder, Website Builder & Customizer
Vendor
CVE Published:
11 September 2026

What is CVE-2026-17037?

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is susceptible to a Stored Cross-Site Scripting vulnerability in its 'comment' parameter. This arises from inadequate input sanitization and output escaping in all versions up to and including 6.2.0. As a result, unauthenticated adversaries can inject malicious web scripts into pages, enabling the execution of these scripts whenever a user accesses the compromised page, posing significant risks to website integrity and user safety.

Affected Version(s)

Kirki – Freeform Page Builder, Website Builder & Customizer 0 <= 6.2.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3636487/

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

daroo
.