CVE-2026-66696— WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.8 - Sensitive Data Exposure vulnerability
Quick assessment
Affected
Nexcess Gutenberg Blocks by Kadence Blocks
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
WordPress Kadence Blocks是WordPress基金会开源的一个网站内容编辑的块状组件集合。 WordPress Kadence Blocks 3.7.8及之前版本存在信息泄露漏洞，该漏洞源于敏感数据暴露，可能导致贡献者级别的敏感数据泄露。
Possible ATT&CK Techniques 1 AI
T1530 · Data from Cloud StorageAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Nexcess | Gutenberg Blocks by Kadence Blocks | n/a≤ 3.7.8 |
affected |
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I. Basic Information for CVE-2026-66696
Vulnerability Information
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Vulnerability Title
WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.8 - Sensitive Data Exposure vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Contributor Sensitive Data Exposure in Gutenberg Blocks by Kadence Blocks <= 3.7.8 versions.
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
通过发送数据的信息暴露
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress Kadence Blocks 信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Kadence Blocks是WordPress基金会开源的一个网站内容编辑的块状组件集合。 WordPress Kadence Blocks 3.7.8及之前版本存在信息泄露漏洞，该漏洞源于敏感数据暴露，可能导致贡献者级别的敏感数据泄露。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Nexcess | Gutenberg Blocks by Kadence Blocks | n/a ~ 3.7.8 | - |
|
II. Public POCs for CVE-2026-66696
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · Nexcess · 2026-08-06 · 3 CVEs total
| CVE-2026-28005 | 9.8 CRITICAL | WordPress Kadence WooCommerce Email Designer plugin <= 1.5.19 - Privilege Escalation vulne |
| CVE-2026-66690 | 7.1 HIGH | WordPress GiveWP plugin <= 4.16.5 - Cross Site Scripting (XSS) vulnerability |
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