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RevealJS postMessage <4.3.0 - Cross-Site Scripting

ID: CVE-2022-0776

Severity: medium

Author: LogicalHunter

Tags: cve,cve2022,hackerone,huntr,headless,postmessage,revealjs,node.js

Description

Section titled “Description”

RevealJS postMessage before 4.3.0 contains a cross-site scripting vulnerability via the document object model.

YAML Source

Section titled “YAML Source”
id: CVE-2022-0776


info:
  name: RevealJS postMessage <4.3.0 - Cross-Site Scripting
  author: LogicalHunter
  severity: medium
  description: RevealJS postMessage before 4.3.0 contains a cross-site scripting vulnerability via the document object model.
  impact: |
    Successful exploitation of this vulnerability could allow an attacker to execute arbitrary JavaScript code in the context of the victim's browser, leading to potential data theft, session hijacking, or defacement of the affected website.
  remediation: |
    Upgrade to RevealJS postMessage version 4.3.0 or later to mitigate this vulnerability.
  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
    - https://github.com/hakimel/reveal.js/commit/32cdd3b1872ba8e2267c9e87ae216cb55f40f4d2
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2022-0776
    cwe-id: CWE-79
    epss-score: 0.001
    epss-percentile: 0.41295
    cpe: cpe:2.3:a:revealjs:reveal.js:*:*:*:*:*:node.js:*:*
  metadata:
    vendor: revealjs
    product: reveal.js
    framework: node.js
  tags: cve,cve2022,hackerone,huntr,headless,postmessage,revealjs,node.js
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"
# digest: 4a0a0047304502210088cd6ca5dbf89ceeabe8b2f77c230fcb784841e633827b98feeb3e744bed26f802202ad46c0b09a143effc4bf4d26da595b142bbcbe64aa8c80fe89e26c5c972be54:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

Section titled “Guide to check the vulnerabilities”

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

Terminal window
$ nuclei -u "URL" -t "http/cves/2022/CVE-2022-0776.yaml"

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