CVE-2026-12122 MEDIUM

CVE-2026-12122: Kirki <= 6.0.11 - Missing Authorization to Unauthenticated Sensitive Information Exposure via kirki_post_apis_nopriv AJAX Action

Vendor Themeum
Product Kirki – Freeform Page Builder, Website Builder & Customizer
Weakness CWE-862 · Missing authorization
Published July 2, 2026
Last update July 2, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

What the vulnerability does

01Description

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unauthenticated attackers to extract the full builder metadata and rendered HTML of any kirki_symbol post — including unpublished drafts — by supplying a sequential WordPress post ID.

Key dates

02Disclosure timeline

July 2, 2026 CVE published