PT-2025-33815

CVE-2025-54880

Published

2025-08-19

Updated

2025-10-20

Description by

CVSS 3.1

6.1

Medium

MetricsAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Mermaid versions prior to 11.10.0

Description: Mermaid is a JavaScript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams. In the default configuration, user-supplied input for architecture diagram icons is passed to the d3 html() method, creating a cross-site scripting sink.

Recommendations: Update to version 11.10.0 or later.

Exploitability

Exploit

Fix

Impacts

Researchers

Vendors

Affected products

Weakness enumeration

CWE-79: Improper Neutralization of Input During Web Page Generation (\'Cross-site Scripting\')

Related identifiers

CVE-2025-54880