XSS in Themeum Kirki – Freeform Page Builder, Website Builder & Customizer

CVE-2026-14572

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Page Builder Text Content in all versions up to, and including, 6.2.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with kirki_content_access capability granted by an administrator, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-14572?
CVE-2026-14572 is a medium-severity vulnerability in Themeum Kirki – Freeform Page Builder, Website Builder & Customizer, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-10-15.
How severe is CVE-2026-14572?
Medium severity. CVSS v3 base score is 6.4 out of 10.