CVE-2021-43861

Incorrect sanitisation function leads to `XSS`

State: Published
Severity: 7.2 High
Published: Dec 30, 2021
Updated: Aug 4, 2024
Reserved: Nov 16, 2021

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. Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers' machines. Users should upgrade to version 8.13.8 to receive a patch. There are no known workarounds aside from upgrading.

Scores

CVSS	Score	Vector	Source
3.1	7.2 High	CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-20 Improper Input Validation

Affected Products

Product	Versions
mermaidmermaid-js	< 8.13.8Affected

References

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