Stored XSS Vulnerability in Gutenberg Blocks by Kadence Blocks from Liquid Web
CVE-2026-105890

6.5MEDIUM

Key Information:

Vendor

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

What is CVE-2026-105890?

A stored Cross-site Scripting (XSS) vulnerability exists in Gutenberg Blocks by Kadence Blocks, allowing attackers to inject malicious scripts into web pages. This issue affects versions of the product prior to 3.7.12, leading to potential unauthorized actions performed on behalf of legitimate users. Proper input sanitization measures and regular updates are crucial to mitigate this vulnerability.

Affected Version(s)

Gutenberg Blocks by Kadence Blocks 0 <= 3.7.12

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

Intrudify | Patchstack Bug Bounty Program
.