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.
problem types: CWE-94: Improper Control of Generation of Code ('Code Injection')
affected:
{
product: mdx-mermaid
vendor: sjwall
versions:
status: affected, version: < 1.3.0
status: affected, version: = 2.0.0-rc1
}
metrics:
cvssV3_1: [
attackComplexity: HIGH
attackVector: LOCAL
availabilityImpact: NONE
baseScore: 3.6
baseSeverity: LOW
confidentialityImpact: LOW
integrityImpact: LOW
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
version: 3.1
]