BaseFortify

Publication date: 2025-10-31

Last updated on: 2025-11-13

Assigner: Patchstack

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.

CVSS Scores

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Meta Information

Published

2025-10-31

Last Modified

2025-11-13

Generated

2026-07-06

AI Q&A

2025-11-01

EPSS Evaluated

2026-07-05

NVD

CVE-2025-64354

Affected Vendors & Products

Vendor	Product	Version / Range
matias_ventura	gutenberg	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-79	The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

Attack-Flow Graph

Executive Summary

This vulnerability is a Stored Cross-site Scripting (XSS) issue in the Matias Ventura Gutenberg plugin, where improper neutralization of input during web page generation allows attackers to inject malicious scripts that are stored and executed in users' browsers.

Impact Analysis

This vulnerability can allow attackers to execute malicious scripts in the context of the affected website, potentially leading to data theft, session hijacking, defacement, or other malicious actions impacting confidentiality, integrity, and availability.

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