Cross-site Scripting Vulnerability in Liquid Web's Gutenberg Blocks by Kadence
CVE-2026-39742

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Gutenberg Blocks By Kadence Blocks
Vendor
CVE Published:
29 October 2026

What is CVE-2026-39742?

A Cross-site Scripting (XSS) vulnerability exists in Gutenberg Blocks by Kadence, allowing attackers to inject malicious scripts that can be executed in a user's browser. This flaw affects versions up to 3.8.0.2, potentially leading to unauthorized access and data exposure. Proper input validation mechanisms are essential to mitigate these risks.

Affected Version(s)

Gutenberg Blocks by Kadence Blocks 0 <= 3.8.0.2

References

https://patchstack.com/database/wordpress/plugin/kadence-...
vdb-entry

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

fcc | Patchstack Bug Bounty Program
.