id: CVE-2022-0776

info:
  name: RevealJS postMessage XSS
  author: LogicalHunter
  severity: medium
  description: Cross-site Scripting (XSS) - DOM in GitHub repository hakimel/reveal.js prior to 4.3.0.
  reference:
    - https://hackerone.com/reports/691977
    - https://github.com/hakimel/reveal.js/pull/3137
    - https://huntr.dev/bounties/be2b7ee4-f487-42e1-874a-6bcc410e4001/
  classification:
    cve-id: CVE-2022-0776
  tags: cve,cve2022,headless,postmessage,revealjs

headless:
  - steps:
      - args:
          url: "{{BaseURL}}"
        action: navigate
      - action: waitload
      - action: script
        name: extract
        args:
          code: |
            () => {
            return (Reveal.VERSION <= "3.8.0" || Reveal.VERSION < "4.3.0")
            }

    matchers:
      - type: word
        part: extract
        words:
          - "true"