{"id":"CVE-2022-36036","aliases":["EUVD-2022-6624","GHSA-rvgm-35jw-q628"],"status":"published","title":"Improper Control of Generation of Code ('Code Injection') in mdx-mermaid","description":"mdx-mermaid provides plug and play access to Mermaid in MDX. There is a potential for an arbitrary javascript injection in versions less than 1.3.0 and 2.0.0-rc1. Modify any mermaid code blocks with arbitrary code and it will execute when the component is loaded by MDXjs. This vulnerability was patched in version(s) 1.3.0 and 2.0.0-rc2. There are currently no known workarounds.","severity":{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00398,"percentile":0.34342,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-94"],"published":"2022-08-29T17:20:10Z","modified":"2026-10-28T02:31:10Z","fixes":[{"ecosystem":"npm","package":"mdx-mermaid","fixed_in":["1.3.0","2.0.0-rc2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"mdx-mermaid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0"}]}]},{"source":"ghsa","ecosystem":"npm","package":"mdx-mermaid","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0-rc1"},{"last_affected":"2.0.0-rc1"},{"fixed":"2.0.0-rc2"}]}],"versions":["2.0.0-rc1"]},{"source":"osv","ecosystem":"npm","package":"mdx-mermaid","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.3.0"}]}]},{"source":"osv","ecosystem":"npm","package":"mdx-mermaid","ranges":[{"type":"SEMVER","events":[{"introduced":"2.0.0-rc1"},{"fixed":"2.0.0-rc2"}]}],"versions":["2.0.0-rc1"]}],"products":[{"vendor":"mdx-mermaid_project","product":"mdx-mermaid"},{"vendor":"sjwall","product":"mdx-mermaid"}],"references":[{"url":"https://github.com/sjwall/mdx-mermaid/security/advisories/GHSA-rvgm-35jw-q628","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","advisory","web"]},{"url":"https://github.com/sjwall/mdx-mermaid/commit/f2b99386660fd13316823529c3f1314ebbcdfd2a","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-36036","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rvgm-35jw-q628"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/36xxx/CVE-2022-36036.json","tags":["advisory"]},{"url":"https://github.com/sjwall/mdx-mermaid","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2022-36036","title":"Improper Control of Generation of Code ('Code Injection') in mdx-mermaid","description":"mdx-mermaid provides plug and play access to Mermaid in MDX. There is a potential for an arbitrary javascript injection in versions less than 1.3.0 and 2.0.0-rc1. Modify any mermaid code blocks with arbitrary code and it will execute when the component is loaded by MDXjs. This vulnerability was patched in version(s) 1.3.0 and 2.0.0-rc2. There are currently no known workarounds.","status":"published","published":"2022-08-29T17:20:10Z","modified":"2025-04-22T17:41:03.862Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:34:35.615708Z"}],"euvd":[{"id":"EUVD-2022-6624","description":"mdx-mermaid provides plug and play access to Mermaid in MDX. There is a potential for an arbitrary javascript injection in versions less than 1.3.0 and 2.0.0-rc1. Modify any mermaid code blocks with arbitrary code and it will execute when the component is loaded by MDXjs. This vulnerability was patched in version(s) 1.3.0 and 2.0.0-rc2. There are currently no known workarounds.","status":"published","published":"2022-08-29T17:20:10Z","modified":"2025-04-22T17:41:03Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"updated_at":"2026-11-02T20:52:16.055056Z"}],"ghsa":[{"id":"GHSA-rvgm-35jw-q628","title":"Improper Control of Generation of Code ('Code Injection') in mdx-mermaid","description":"### Impact\n\nArbitary javascript injection\n\nModify any mermaid code blocks with the following code and the code inside will execute when the component is loaded by MDXjs\n\n```\n` + (function () {\n  // Put Javascript code here\n  return ''\n}()) + `\n```\n\nThe block below shows a valid mermaid code block\n\n````md\n```mermaid\ngraph TD;\n    A--\u003eB;\n    A--\u003eC;\n    B--\u003eD;\n    C--\u003eD;\n```\n````\n\nThe same block but with the exploit added\n\n````md\n```mermaid\n` + (function () {\n  alert('vulnerable')\n  return ''\n}()) + `\ngraph TD;\n    A--\u003eB;\n    A--\u003eC;\n    B--\u003eD;\n    C--\u003eD;\n```\n````\n\n### Patches\n1.3.0 and 2.0.0-rc2\n\n### Workarounds\nNone known","status":"published","published":"2022-08-31T22:26:11Z","modified":"2023-01-29T05:06:02Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:36:25.835323Z"}],"nvd":[{"id":"CVE-2022-36036","description":"mdx-mermaid provides plug and play access to Mermaid in MDX. There is a potential for an arbitrary javascript injection in versions less than 1.3.0 and 2.0.0-rc1. Modify any mermaid code blocks with arbitrary code and it will execute when the component is loaded by MDXjs. This vulnerability was patched in version(s) 1.3.0 and 2.0.0-rc2. There are currently no known workarounds.","status":"published","published":"2022-08-29T18:15:09.803Z","modified":"2026-06-17T04:52:47.327Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:07:25.883929Z"}],"osv":[{"id":"CVE-2022-36036","title":"Improper Control of Generation of Code ('Code Injection') in mdx-mermaid","description":"mdx-mermaid provides plug and play access to Mermaid in MDX. There is a potential for an arbitrary javascript injection in versions less than 1.3.0 and 2.0.0-rc1. Modify any mermaid code blocks with arbitrary code and it will execute when the component is loaded by MDXjs. This vulnerability was patched in version(s) 1.3.0 and 2.0.0-rc2. There are currently no known workarounds.","status":"published","published":"2022-08-29T17:20:10Z","modified":"2026-10-28T02:31:10.078242781Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:44:26.195407Z"},{"id":"GHSA-rvgm-35jw-q628","title":"Improper Control of Generation of Code ('Code Injection') in mdx-mermaid","description":"### Impact\n\nArbitary javascript injection\n\nModify any mermaid code blocks with the following code and the code inside will execute when the component is loaded by MDXjs\n\n```\n` + (function () {\n  // Put Javascript code here\n  return ''\n}()) + `\n```\n\nThe block below shows a valid mermaid code block\n\n````md\n```mermaid\ngraph TD;\n    A--\u003eB;\n    A--\u003eC;\n    B--\u003eD;\n    C--\u003eD;\n```\n````\n\nThe same block but with the exploit added\n\n````md\n```mermaid\n` + (function () {\n  alert('vulnerable')\n  return ''\n}()) + `\ngraph TD;\n    A--\u003eB;\n    A--\u003eC;\n    B--\u003eD;\n    C--\u003eD;\n```\n````\n\n### Patches\n1.3.0 and 2.0.0-rc2\n\n### Workarounds\nNone known","status":"published","published":"2022-08-31T22:26:11Z","modified":"2023-11-08T04:09:58.603883Z","cvss":[{"version":"3.1","score":3.6,"vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"low"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:46:56.281047Z"}]}}