Kadence Blocks — Page Builder Toolkit for Gutenberg Editor <= 3.7.8 - Authenticated (Contributor+) Information Exposure
Strategic Overview
- Status
- Patched in 3.7.8.1
- Affected Plugin
- Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
- Affected Version
<= 3.7.8- CVSS
- 4.3Medium
- Weakness type
- CWE-200 · Exposure of Sensitive Information to an Unauthorized Actor
- CVE
CVE-2026-66696
At a glance
CVE-2026-66696 is a medium-severity Exposure of Sensitive Information to an Unauthorized Actor vulnerability in the Kadence Blocks WordPress plugin, affecting versions <= 3.7.8. It carries a CVSS score of 4.3 (reachable over the network; low attack complexity). Exploitation requires an authenticated account at Contributor level or above. The issue is fixed in version 3.7.8.1; sites on affected versions should update now. Disclosed July 2026, reported by Abdullah Kareem "cyberkareem".
Vulnerability Overview
The Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 3.7.8. This makes it possible for authenticated attackers, with contributor-level access and above, to extract sensitive user or configuration data.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no interaction from a victim user.
CWE-200: Exposure of Sensitive Information to an Unauthorized Actor
Reaching this weakness in Kadence Blocks <= 3.7.8 takes an account at Contributor level or above. Sensitive information exposure means data the application intended to keep internal is returned to a caller who should not be able to see it.
The disclosed data — credentials, tokens, customer records or internal paths — is usually worth more as material for a follow-up attack than as an end in itself. For Kadence Blocks the fix is 3.7.8.1: builds <= 3.7.8 are affected, anything from 3.7.8.1 onward is not.
Remediation
Update to version 3.7.8.1, or a newer patched version
How WordSec helps
The fix is the thing that ends this: Kadence Blocks 3.7.8.1 closes this, and updating the plugin is the step that ends it.
- Alerts
External References
Related records
Same weakness class
Other vulnerabilities in Kadence Blocks — Page Builder Toolkit for Gutenberg Editor
- 9.8Kadence Blocks <= 3.1.10 Arbitrary File Upload
- 8.5CVE-2023-6964: Gutenberg Blocks by Kadence Blocks SSRF (SSRF)
CVE-2023-6964 - 6.4CVE-2026-18062: Kadence Blocks <= 3.7.8.1 Stored Cross-Site Scripting
CVE-2026-18062 - 6.4CVE-2026-18435: Kadence Blocks <= 3.7.8 Stored Cross-Site Scripting
CVE-2026-18435 - 6.4CVE-2025-5678: Kadence Blocks Stored XSS
CVE-2025-5678 - 6.4CVE-2025-1291: Gutenberg Blocks by Kadence Blocks <= 3.4.9 Stored XSS
CVE-2025-1291 - 6.4CVE-2024-12304: Gutenberg Blocks with AI by Kadence WP Stored XSS
CVE-2024-12304 - 6.4CVE-2024-10637: Kadence Blocks <= 3.2.53 Stored Cross-Site Scripting
CVE-2024-10637
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