CVE-2021-21306 Information

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.

CVSS Vector

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

Reference

https://www.npmjs.com/package/marked https://github.com/markedjs/marked/commit/7293251c438e3ee968970f7609f1a27f9007bccd https://github.com/markedjs/marked/pull/1864 https://github.com/markedjs/marked/issues/1927 https://github.com/markedjs/marked/security/advisories/GHSA-4r62-v4vq-hr96

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

7.5