CVE-2026-25438
High
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.
SeverityHigh
CVSS7.1
Exploit probability—
ProductGutenberg Blocks
PublishedMar 19, 2026
First seenMar 19, 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 |
|---|---|---|
| ThemeHunk Gutenberg Blocks | v ≤ 1.2.8 | — |
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