meum Kirki Plugin up to 6.4.0 Page REST API PageController.php post_status access control

Summaryinfo

A vulnerability classified as critical has been found in meum Kirki Plugin up to 6.4.0. This vulnerability affects unknown code of the file PageController.php of the component Page REST API. The manipulation of the argument post_status leads to access control. This vulnerability is listed as CVE-2026-112347. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in meum Kirki Plugin up to 6.4.0. This issue affects some unknown processing of the file PageController.php of the component Page REST API. The manipulation of the argument post_status with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Kirki plugin for WordPress before 6.4.1 contains a broken object-level access control vulnerability in its page REST API, where the PUT /wp-json/kirki/v1/pages/{page_id} route and the save_page_data, duplicate, and delete handlers in PageController.php rely only on a coarse role-to-access middleware check without performing a per-object WordPress capability check. A user with Kirki edit access, granted to the Editor role by default, can exploit this flaw to modify the title, slug, and publication status of any non-trashed post of any post type, including custom post types and WooCommerce products they do not own, exposing private or draft content or removing published content by manipulating the unrestricted post_status field.

The advisory is shared at wordpress.org. The identification of this vulnerability is CVE-2026-112347 since 10/19/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

By approaching the search of inurl:PageController.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 6.4.1 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• meum

Name

• Kirki Plugin

Version

• 6.0
• 6.1
• 6.2
• 6.3
• 6.4.0

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion