CVE-2026-12122

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

5.3 Medium

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unauthenticated attackers to extract the full builder metadata and rendered HTML of any kirki_symbol post — including unpublished drafts — by supplying a sequential WordPress post ID.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

0.50%Unchanged since Jul 2, 2026

What each source reports

CVE List Score used 5.3

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

Record: CVE-2026-12122
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-862
Updated: 2026-11-02

EUVDEUVD-2026-41264 5.3

Record: EUVD-2026-41264
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-v9qp-6jjw-6rfv 5.3

The Kirki – Freeform Page Builder, Website Builder & Customizer plugin for WordPress is...

Record: GHSA-v9qp-6jjw-6rfv
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-862
Updated: 2026-11-02

NVD 5.3

Record: CVE-2026-12122
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-862
Updated: 2026-11-02

Affected products

themeum kirki – freeform page builder, website builder & customizer

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-12122 is a medium vulnerability (CVSS 5.3) in Themeum Kirki – Freeform Page Builder, Website Builder & Customizer, published July 2, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.50%, the 42nd percentile. No source names a fixed version.