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  5. CVE-2021-43861

CVE-2021-43861: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

December 30, 2021 (updated July 21, 2023)

Mermaid is a Javascript based diagramming and charting tool that uses Markdown-inspired text definitions and a renderer to create and modify complex diagrams., malicious diagrams can run javascript code at diagram readers’ machines. Users should upgrade to to receive a patch. There are no known workarounds aside from upgrading.

References

  • github.com/mermaid-js/mermaid/commit/066b7a0d0bda274d94a2f2d21e4323dab5776d83
  • github.com/mermaid-js/mermaid/releases/tag/8.13.8
  • github.com/mermaid-js/mermaid/security/advisories/GHSA-p3rp-vmj9-gv6v
  • nvd.nist.gov/vuln/detail/CVE-2021-43861

Code Behaviors & Features

Detect and mitigate CVE-2021-43861 with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →

Affected versions

All versions before 8.13.8

Fixed versions

  • 8.13.8

Solution

Upgrade to version 8.13.8 or above.

Impact 5.4 MEDIUM

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

Learn more about CVSS

Source file

npm/mermaid/CVE-2021-43861.yml

Spotted a mistake? Edit the file on GitLab.

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