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CVE-2026-11357— Kadence Blocks <= 3.7.5 - Authenticated (Contributor+) Sensitive Information Exposure via Block Editor proData Localization

CVSS 4.3 · Medium EPSS 0.32% · P25

Possible ATT&CK Techniques 1AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProductVersion RangeStatus
stellarwpKadence Blocks — Page Builder Toolkit for Gutenberg Editor≤ 3.7.5affected
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I. Basic Information for CVE-2026-11357

Vulnerability Information

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Vulnerability Title
Kadence Blocks <= 3.7.5 - Authenticated (Contributor+) Sensitive Information Exposure via Block Editor proData Localization
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
Nexcess Kadence Blocks — Gutenberg 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Nexcess Kadence Blocks — Gutenberg是Nexcess公司的一款页面构建工具包。 Nexcess Kadence Blocks — Gutenberg 3.7.5及之前版本存在信息泄露漏洞,该漏洞源于通过editor_assets_variables参数暴露敏感信息,可能导致经过身份验证且具有贡献者级别及以上权限的攻击者通过浏览器控制台提取站点的Kadence账户许可密钥、许可所有者邮箱、api_key、api_email和许可域名。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
stellarwpKadence Blocks — Page Builder Toolkit for Gutenberg Editor 0 ~ 3.7.5 -

II. Public POCs for CVE-2026-11357

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III. Intelligence Information for CVE-2026-11357

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Patches & Fixes for CVE-2026-11357 (4)

Vendor Advisories for CVE-2026-11357 (1)

Other References for CVE-2026-11357 (1)

IV. Related Vulnerabilities

V. Comments for CVE-2026-11357

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