Vulnerability · Published Aug 29, 2022 · Assigned by GitHub_M

CVE-2022-36036Improper Control of Generation of Code ('Code Injection') in mdx-mermaid

Low 3.6

In plain English

A low-severity code injection in mdx-mermaid from sjwall. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 34% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)3.6Low

Exploit odds (30 days)0.4%top 65.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	mdx-mermaid	1.3.0	GHSA-rvgm-35jw-q628
npm	mdx-mermaid	2.0.0-rc2	GHSA-rvgm-35jw-q628

Affected products (as reported)

Vendor	Product	Versions
sjwall	mdx-mermaid	< 1.3.0= 2.0.0-rc1

Weakness: CWE-94 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

References

https://github.com/sjwall/mdx-mermaid/security/advisories/GHSA-rvgm-35jw-q628 x_refsource_CONFIRM
https://github.com/sjwall/mdx-mermaid/commit/f2b99386660fd13316823529c3f1314ebbcdfd2a x_refsource_MISC