CVE-2026-16779 | BDVDB-2026-360335 Detail
extendthemesKubio AI Page Builder
Description#
The Kubio AI Page Builder plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.8.5. 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 overwrite front-page configuration options (show_on_front, page_on_front, and page_for_posts), rewrite primary navigation menu items, replace template parts, and overwrite the Kubio global-data post. Although a nonce check via check_ajax_referer() is present, the nonce is unconditionally emitted into window.kubioUtilsData for every user who can load the block editor, making it harvestable by any Contributor and therefore an ineffective authorization barrier.
Impact#
Per CVSS v3.1: confidentiality impact none, integrity impact low, availability impact none. Attack vector: network.
Weaknesses#
- CWE-862 Missing Authorization
References#
- https://www.wordfence.com/threat-intel/vulnerabilities/id/febca991-90a0-46b8-9609-2c8a71b5eb5f?source=cve
- https://plugins.trac.wordpress.org/browser/kubio/tags/2.8.5/lib/src/Core/KubioFrontPageRevertNotice.php#L151
- https://plugins.trac.wordpress.org/browser/kubio/tags/2.8.5/lib/src/Core/KubioFrontPageRevertNotice.php#L25
- https://plugins.trac.wordpress.org/browser/kubio/tags/2.8.5/lib/editor-assets.php#L411
- https://plugins.trac.wordpress.org/browser/kubio/tags/2.8.5/lib/kubio-block-library.php#L197
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3633801%40kubio&new=3633801%40kubio
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.