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CVE-2026-12902

MEDIUM 4.3 CVSS 3.1
Published
July 1, 2026
Last modified
July 1, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

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.

Affected WordPress components

  • Kadence Blocks — Page Builder Toolkit for Gutenberg Editor Plugin · kadence-blocks
    Confirmed match Active
    Up to and including 3.7.7
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editor — Up to and including 3.7.7

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/class-kadence-blocks-prebuilt-library.php#L1078
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/class-kadence-blocks-prebuilt-library.php#L1223
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/class-kadence-blocks-prebuilt-library.php#L817
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.6.7/includes/class-kadence-blocks-prebuilt-library.php#L916
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/class-kadence-blocks-prebuilt-library.php#L1078
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/class-kadence-blocks-prebuilt-library.php#L1223
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/class-kadence-blocks-prebuilt-library.php#L817
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/kadence-blocks/tags/3.7.6/includes/class-kadence-blocks-prebuilt-library.php#L916
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3590217%40kadence-blocks&new=3590217%40kadence-blocks&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/7de2cb7a-dc3d-41f2-8faa-9e87f78531b5?source=cve
  • nvd.nist.gov Official NVD record