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.
References (2)
Core 2
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/sjwall/mdx-mermaid/security/advisories/GHSA-rvgm-35jw-q628
Patch, Third Party Advisory x_refsource_misc
https://github.com/sjwall/mdx-mermaid/commit/f2b99386660fd13316823529c3f1314ebbcdfd2a
Scores
CVSS v3
3.6
EPSS
0.0013
EPSS Percentile
31.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-94
Status
published
Products (3)
mdx-mermaid_project/mdx-mermaid
2.0.0 rc1
mdx-mermaid_project/mdx-mermaid
0.0.1 - 1.3.0
npm/mdx-mermaid
0 - 1.3.0npm
Published
Aug 29, 2022
Tracked Since
Feb 18, 2026