stellarwp Kadence Blocks Plugin up to 3.7.5 on WordPress License Key information disclosure

Summaryinfo

A vulnerability has been found in stellarwp Kadence Blocks Plugin up to 3.7.5 on WordPress and classified as problematic. This affects an unknown part of the component License Key Handler. Performing a manipulation results in information disclosure. This vulnerability is known as CVE-2026-11357. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in stellarwp Kadence Blocks Plugin up to 3.7.5 on WordPress. It has been classified as problematic. This affects an unknown part of the component License Key Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

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.

The weakness was published by Hyun Seo Shin. The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2026-11357 since 06/05/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-37843). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• stellarwp

Name

• Kadence Blocks Plugin

Version

• 3.7.0
• 3.7.1
• 3.7.2
• 3.7.3
• 3.7.4
• 3.7.5

CPE 2.3info

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CPE 2.2info

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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