CVE-2026-25438 HIGH

CVE-2026-25438: WordPress Gutenberg Blocks – Unlimited blocks For Gutenberg plugin <= 1.2.8 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor Themehunk

Product Gutenberg Blocks

Weakness CWE-79 · XSS

Published March 19, 2026

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

7.1/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction Required

Confidentiality Low

Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

Description

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.

Key dates

Disclosure timeline

March 19, 2026 CVE published

April 28, 2026 Record updated