Is marked 0.0 vulnerable?

npm · 9 releases from 0.0.1 to 0.0.9 · latest marked is 18.1.2 · checked 1 Nov 2026

Yes: 9 known advisories

Yes. marked 0.0.9, the last 0.0 release, is affected by 9 known security advisories (4 high, 5 medium), including CVE-2022-21681, CVE-2022-21680, CVE-2017-16114. Upgrade to 4.0.10 or later to fix all of them.

Upgrade with:npm install marked@4.0.10

Is your project affected?

Private repo? Upload its lockfile instead, or connect GitHub to check every repo.

Advisories affecting marked 0.0.9

  • MediumCVE-2018-25110GHSA-p9wx-2529-fp8323 May 2025

    Marked allows Regular Expression Denial of Service (ReDoS) attacks

    Affected
    <0.3.17
    Fixed in
    0.3.17
  • HighCVE-2022-21681GHSA-5v2h-r2cx-5xgj14 Jan 2022

    Inefficient Regular Expression Complexity in marked

    Affected
    <4.0.10
    Fixed in
    4.0.10
  • HighCVE-2022-21680GHSA-rrrm-qjm4-v8hf14 Jan 2022

    Inefficient Regular Expression Complexity in marked

    Affected
    <4.0.10
    Fixed in
    4.0.10
  • MediumCVE-2014-3743GHSA-9cw2-jqp5-7x3931 Aug 2020

    Multiple Content Injection Vulnerabilities in marked

    Affected
    <0.3.1
    Fixed in
    0.3.1
  • MediumCVE-2016-10531GHSA-vfvf-mqq8-rwqc18 Feb 2019

    Sanitization bypass using HTML Entities in marked

    Affected
    <0.3.6
    Fixed in
    0.3.6
  • HighCVE-2017-16114GHSA-x5pg-88wf-qq4p24 Jul 2018

    Regular Expression Denial of Service in marked

    Affected
    <0.3.9
    Fixed in
    0.3.9
  • MediumCVE-2017-1000427GHSA-7px7-7xjx-hxm84 Jan 2018

    Marked vulnerable to XSS from data URIs

    Affected
    <0.3.7
    Fixed in
    0.3.7
  • HighCVE-2015-8854GHSA-hjcp-j389-59ff24 Oct 2017

    Regular Expression Denial of Service in marked

    Affected
    <0.3.4
    Fixed in
    0.3.4
  • MediumCVE-2015-1370GHSA-cfjh-p3g4-3q2f24 Oct 2017

    VBScript Content Injection in marked

    Affected
    <0.3.3
    Fixed in
    0.3.3

Which of your client projects are still on marked 0.0?

NPMscan reads the lockfiles in every GitHub repo you pick, finds the exact marked version each one installs, and checks it against these advisories. Each finding comes with the command that fixes it.

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Other marked versions

Advisory data from OSV.dev (opens OSV.dev in a new tab), which includes the GitHub Advisory Database. Release list from the npm registry. Refreshed daily.