CVE-2026-103354
High
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 3.7.11.1.
SeverityHigh
CVSS7.1
Exploit probability—
ProductGutenberg Blocks by Kadence Blocks
PublishedOct 4, 2026
First seenOct 4, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks | v ≤ 3.7.11.1 | — |
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