CVE-2026-17037 Details
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.
A stored cross-site scripting vulnerability has been identified in the Kirki WordPress plugin, specifically in the Freeform Page Builder, Website Builder & Customizer version 6.2.0 and earlier. This vulnerability arises from inadequate input sanitization and output escaping, allowing unauthenticated attackers to inject arbitrary web scripts into pages. The injected scripts are executed when a user accesses the compromised page.
Users are advised to update the Kirki WordPress plugin to version 6.2.1 or a later patched version.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 11, 2026CISA-ADP
Assessed Sep 11, 2026References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://plugins.trac.wordpress.org/changeset/3636487/ | [email protected] | Source CodeVendor |
| https://www.wordfence.com/threat-intel/vulnerabilities/id/e578af07-90ec-4bd4-91ec-b793bbccf977?source=cve | [email protected] | AdvisoryRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| Kirki | <= 6.2.0 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 11, 2026 | CVE Modified | CISA-ADP |
| Sep 11, 2026 | New CVE Received | [email protected] |
Volerion