WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.8 - Sensitive Data Exposure vulnerability

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-66696
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-08-06 15:17:22 UTC
Updated2026-08-12 20:59:00 UTC
DescriptionContributor Sensitive Data Exposure in Gutenberg Blocks by Kadence Blocks <= 3.7.8 versions.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.001760000 probability, percentile 0.073760000 (date 2026-08-14)

Problem Types: CWE-201 | CWE-201 CWE-201 Insertion of Sensitive Information Into Sent Data

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNACVSS4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Nexcess Gutenberg Blocks By Kadence Blocks affected n/a 3.7.8 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/wordpress/plugin/kadence-blocks/vulnerability/wordpr... [email protected] patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Abdullah Kareem "cyberkareem" | Patchstack Bug Bounty Program (en)

Additional Advisory Data

Solutions

CNA: Update the WordPress Gutenberg Blocks by Kadence Blocks Plugin to the latest available version (at least 3.7.8.1).

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