cve.bz

CVE-2021-21306

7.5 highEPSS 2.5%

High (7.5) in marked project marked. EPSS 2.5% chance of exploitation in the next 30 days. Fixed in marked 2.0.0.

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.

Severity

CVSS 3.1

7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS
2.5% chance of exploitation in the next 30 days; higher than 84% of CVEs (scores of 2026-11-01)
CWE
CWE-400
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-4r62-v4vq-hr96npmmarked>=1.1.1 <2.0.02.0.0

References

Check your stackJSON