CVE-2026-11357 Information disclosure in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
Authenticated contributors can extract sensitive Kadence license keys and API credentials from the browser console if an admin has connected a license.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-11357?
CVE-2026-11357 is a medium-severity vulnerability in stellarwp Kadence Blocks — Page Builder Toolkit for Gutenberg Editor, published on 18 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.7.5 via the editor_assets_variables. This makes it possible for authenticated attackers, with contributor-level access and above, to extract the site's connected Kadence account license key, license owner email, api_key, api_email, and license domain from the browser console by inspecting window.kadence_blocks_params.proData. Exploitation requires only that an administrator has previously connected a valid Kadence license; the full credential bundle is then readable by any Contributor-level user from the block editor client context without any server-side request manipulation.
Weakness: CWE-200
Which versions are affected by CVE-2026-11357?
How do I fix CVE-2026-11357?
No fix has been published for CVE-2026-11357 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-11357 being exploited?
There is no known exploitation of CVE-2026-11357 in the wild and no public exploit code.
Sources
Also known as GHSA-g255-vwqv-qh7v.