id: CVE-2022-0776

info:
  name: RevealJS postMessage <4.3.0 - Cross-Site Scripting
  author: LogicalHunter
  severity: high
  description: RevealJS postMessage before 4.3.0 contains a cross-site scripting vulnerability via the document object model.
  reference:
    - https://hackerone.com/reports/691977
    - https://github.com/hakimel/reveal.js/pull/3137
    - https://huntr.dev/bounties/be2b7ee4-f487-42e1-874a-6bcc410e4001/
    - https://nvd.nist.gov/vuln/detail/CVE-2022-0776
  classification:
    cvss-metrics: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
    cvss-score: 7.2
    cwe-id: CWE-79
    cve-id: CVE-2022-0776
  tags: hackerone,huntr,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"

# Enhanced by mp on 2022/09/14