mcp-server-semgrep/semgrep-rules/javascript/sandbox/security/audit/sandbox-code-injection.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: sandbox-code-injection
  message: >-
    Make sure that unverified user data can not reach `sandbox`.
  metadata:
    owasp:
    - A03:2021 - Injection
    cwe:
    - "CWE-94: Improper Control of Generation of Code ('Code Injection')"
    category: security
    technology:
    - sandbox
    cwe2022-top25: true
    subcategory:
    - audit
    likelihood: LOW
    impact: LOW
    confidence: LOW
    references:
    - https://owasp.org/Top10/A03_2021-Injection
  languages:
  - javascript
  - typescript
  severity: WARNING
  patterns:
  - pattern-inside: |
      $SANDBOX = require('sandbox');
      ...
  - pattern-not-inside: |
      $CODE = "...";
      ...
  - pattern-either:
    - patterns:
      - pattern-inside: |
          $S = new $SANDBOX(...);
          ...
      - pattern: $S.run($CODE,...);
    - pattern: |
        new $SANDBOX(...).run($CODE,...);
  - pattern-not-inside: |
      $S = new $SANDBOX(...);
      ...
      $S.run("...",...);
  - pattern-not-inside: |-
      new $SANDBOX(...).run("...",...);