CVE-2021-21306

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

Marked is an open-source markdown parser and compiler (npm package "marked"). In marked from version 1.1.1 and before version 2.0.0, there is a Regular expression Denial of Service vulnerability. This vulnerability can affect anyone who runs user generated code through marked. This vulnerability is fixed in version 2.0.0.

Metrics

CVSS 3.1 7.5/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 8, 2021
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2021-21306: High severity, CVSS 7.5 | Vulnix