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Kadence Blocks EUVDEUVD-2026-42795

| CVE-2026-15286 MEDIUM
Incorrect Authorization (CWE-863)
2026-07-10 security@wordfence.com GHSA-4969-3qm4-pr7h
Authentication Bypass WordPress
4.3
CVSS 3.1 · Vendor: wordfence
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Severity by source

Vendor (wordfence) PRIMARY
4.3 MEDIUM
AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
vuln.today AI
4.3 MEDIUM

REST API vector confirms AV:N; Contributor account required confirms PR:L; impact is integrity-only content publication with no confidentiality or availability effect.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (wordfence).

CVSS VectorVendor: wordfence

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

Lifecycle Timeline

2
Analysis Generated
Jul 10, 2026 - 05:54 vuln.today
CVE Published
Jul 10, 2026 - 05:16 nvd
MEDIUM 4.3

DescriptionCVE.org

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.

AnalysisAI

Unauthorized post publication in Kadence Blocks (Gutenberg Blocks with AI by Kadence WP) versions up to and including 3.5.32 allows authenticated WordPress contributors to immediately publish posts, pages, and custom post types - entirely bypassing the platform's standard contributor review workflow. The flaw stems from a misconfigured capability check in the get_items_permission_check permission callback on the process_pattern REST API endpoint (CWE-863: Incorrect Authorization). …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Acquire or register WordPress Contributor-level account
Delivery
Authenticate to target site REST API
Exploit
Send crafted POST request to process_pattern endpoint
Execution
Bypass misconfigured capability check
Impact
Publish arbitrary post or page of any type immediately
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Vulnerability AssessmentAI

Exploitation Exploitation requires an authenticated WordPress session with at minimum Contributor-level role on the target site (CVSS PR:L confirmed). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N, score 4.3) correctly captures the bounded impact: exploitation requires network access but also an authenticated session at Contributor level or above, and the only consequence is unauthorized content integrity modification - not data exfiltration or service disruption. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker obtains or registers a Contributor-level WordPress account on a target site running Kadence Blocks ≤ 3.5.32 - either through open registration, credential theft, or social engineering. They then craft an authenticated REST API request to the `process_pattern` endpoint, which the misconfigured permission callback accepts. …
Remediation Update the Kadence Blocks plugin to version 3.5.33 or later; the fix is confirmed present in SVN changeset 3445125 at plugins.trac.wordpress.org/changeset/3445125/ and is available via the standard WordPress plugin update mechanism (Dashboard > Plugins > Update Available). … Detailed patch versions, workarounds, and compensating controls in full report.
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EUVD-2026-42795 vulnerability details – vuln.today
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