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.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| security-advisories@github.com | 3.6 | LOW | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N | 1.0 | 2.5 |
| nvd@nist.gov | 7.8 | HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | 1.8 | 5.9 |
Products Affected
| Vendor | Product | Version |
|---|---|---|
| mdx-mermaid_project | mdx-mermaid | * |
| mdx-mermaid_project | mdx-mermaid | 2.0.0 |