CVE-2026-39742

WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.8.0.2 - Cross Site Scripting (XSS) vulnerability

State: Published
Severity: 6.5 Medium
Published: Oct 29, 2026
Updated: Oct 29, 2026
Reserved: Apr 7, 2026

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks kadence-blocks allows Stored XSS.This issue affects Gutenberg Blocks by Kadence Blocks: from n/a through 3.8.0.2.

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L	Patchstack

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
Gutenberg Blocks by Kadence BlocksLiquid Web / StellarWP	3.8.0.2 and earlierAffectedfrom 3.8.1Not affected

References

https://patchstack.com/database/wordpress/plugin/kadence-blocks/vulnerability/wordpress-gutenberg-blocks-by-kadence-blocks-plugin-3-8-0-2-cross-site-scripting-xss-vulnerability?_s_id=cvevdb-entry

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