Auth bypass in Themeum Kirki – Freeform Page Builder, Website Builder & Customizer
CVE-2026-12122
The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 6.0.11 via the get_single_symbol. This makes it possible for unauthenticated attackers to extract the full builder metadata and rendered HTML of any kirki_symbol post — including unpublished drafts — by supplying a sequential WordPress post ID.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (40.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 40.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/8b5db7fa-2e72-4719-b85e-cc317…
- plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/Ajax/Symbol.php
- plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/Ajax/Symbol.php
- plugins.trac.wordpress.org/browser/kirki/tags/6.0.9/includes/Ajax.php
- plugins.trac.wordpress.org/browser/kirki/tags/6.0.5/includes/Ajax/Symbol.php
- plugins.trac.wordpress.org/browser/kirki/tags/6.0.5/includes/Ajax/Symbol.php
- plugins.trac.wordpress.org/browser/kirki/tags/6.0.5/includes/Ajax.php
- plugins.trac.wordpress.org/changeset
Frequently asked questions
- What is CVE-2026-12122?
- CVE-2026-12122 is a medium-severity vulnerability in Themeum Kirki – Freeform Page Builder, Website Builder & Customizer, classified under Missing Authorization. CVSS score: 5.3/10. Published 2026-07-02.
- How severe is CVE-2026-12122?
- Medium severity. CVSS v3 base score is 5.3 out of 10.