CVE-2026-25438: Themehunk Gutenberg Blocks

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in ThemeHunk Gutenberg Blocks unlimited-blocks allows Reflected XSS.This issue affects Gutenberg Blocks: from n/a through <= 1.2.8.

Affected products

• Themehunk Gutenberg Blocks: up to and including 1.2.8

Published 2026-03-19. Last modified 2026-06-17.