CVE-2025-64354

MEDIUM

Matias Ventura Gutenberg <21.8.2 - XSS

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 6.5
EPSS 0.0015
EPSS Percentile 4.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (2)
Matias Ventura/Gutenberg < 21.8.2
Matias Ventura/Gutenberg < <= 21.8.2
Published Oct 31, 2025
Tracked Since Feb 18, 2026