rules:
- id: monaco-hover-htmlsupport
  patterns:
  - pattern-either:
    - pattern-inside: |
        import "monaco-editor"
        ...
    - pattern-inside: |
        require("monaco-editor")
        ...
  - pattern-either:
    - pattern: |
        {value: $VAL, supportHtml: true}
    - pattern: |
        {value: $VAL, isTrusted: true}
  - pattern-inside: |
      {range: $R, contents: [...]}
  - pattern-not: |
      {..., value: "...", ...}
  metadata:
    cwe: "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
    owasp: 'A7: Cross-Site Scripting (XSS)'
    references:
    - https://github.com/microsoft/monaco-editor/issues/801
    category: security
    technology:
    - monaco
    - monaco-editor
  message: >-
    If user input reaches `HoverProvider` while `supportHml` is set to `true` it may introduce an XSS vulnerability.
    Do not produce HTML for hovers with dynamically generated input.
  languages: [typescript, javascript]
  severity: WARNING