CVE-2026-12902

Medium

Description

The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.7.7. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to create arbitrary Media Library attachments by downloading remote images to the site's uploads directory via wp_upload_bits() and wp_insert_attachment(), bypassing the upload_files capability boundary.

SeverityMedium
CVSS4.3
Exploit probability—
ProductKadence Blocks — Page Builder Toolkit for Gutenberg Editor
PublishedJul 1, 2026
First seenJul 1, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editorv ≤ 3.7.7—

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