SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2021-43861

Prior to version 8.13.8, malicious diagrams can run javascript code at diagram readers' machines.

MEDIUM 5.4EPSS 0.91%

Does this matter?

Lower severity and a low EPSS score (0.91%). Track it; it rarely justifies an emergency change on its own.

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.

CVSS 3.1
5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.91% probability · 58th percentile
CISA KEV
Not listed
Weakness
CWE-20, CWE-79
Affected
mermaid project/mermaid
Source
security-advisories@github.com

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.