CVE-2025-64354
Medium
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Matias Ventura Gutenberg gutenberg allows Stored XSS.This issue affects Gutenberg: from n/a through <= 21.8.2.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Gutenberg
PublishedOct 31, 2025
First seenOct 31, 2025
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 |
|---|---|---|
| Matias Ventura Gutenberg | v ≤ 21.8.2 | — |
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