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CVE-2026-15286: CWE-863 Incorrect Authorization in stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editor

0
Medium
VulnerabilityCVE-2026-15286cvecve-2026-15286cwe-863
Published: 07/10/2026 (07/10/2026, 04:31:22 UTC)
Source: CVE Database V5
Vendor/Project: stellarwp
Product: Kadence Blocks — Page Builder Toolkit for Gutenberg Editor

Description

The Gutenberg Blocks with AI by Kadence WP – Page Builder Features plugin for WordPress is vulnerable to unauthorized post publication in all versions up to, and including, 3.5.32 due to a misconfigured capability check on the 'get_items_permission_check' function permission callback of the 'process_pattern' REST API endpoint. This makes it possible for authenticated attackers, with Contributor-level access and above, to create and immediately publish posts of any type (including pages), bypassing the standard WordPress review workflow where contributors must submit posts for administrator approval.

CVSS v3.1

Score 4.3medium

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected software

Affected versions
<=3.5.32

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 07/10/2026, 05:48:29 UTC

Technical Analysis

The Gutenberg Blocks with AI by Kadence WP – Page Builder Features plugin for WordPress contains an authorization flaw in the 'get_items_permission_check' function used as a permission callback for the 'process_pattern' REST API endpoint. This misconfiguration permits authenticated users with Contributor-level privileges or above to create and publish posts directly, bypassing the standard WordPress workflow that requires administrator approval for contributors. The issue affects all versions up to and including 3.5.32. There is no vendor advisory or patch information available at this time.

Potential Impact

Authenticated attackers with Contributor-level access or higher can immediately publish posts of any type, including pages, without administrator approval. This bypasses the intended review process, potentially allowing unauthorized content publication. There is no impact on confidentiality or availability reported.

Mitigation Recommendations

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict Contributor-level access carefully and monitor for suspicious post publications. Avoid granting Contributor or higher privileges to untrusted users.

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Technical Details

Data Version
5.2
Assigner Short Name
Wordfence
Date Reserved
2026-07-09T15:49:52.117Z
Cvss Version
3.1
State
PUBLISHED
Remediation Level
null

Threat ID: 6a50809268715ace43063692

Added to database: 07/10/2026, 05:18:10 UTC

Last enriched: 07/10/2026, 05:48:29 UTC

Last updated: 07/10/2026, 09:29:32 UTC

Views: 4

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