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. 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: 0.40951 cpe: cpe:2.3:a:revealjs:reveal.js:*:*:*:*:*:node.js:*:* metadata: vendor: revealjs product: reveal.js framework: node.js 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" # digest: 490a004630440220354cefb5d01e5bbddf5c658f9115440bfc530206e2a4be206dd1610eb47e1fe70220356511d38bffa15bc394779e0bbef36196cb5774ba9b31ecae47c6e489f48280:922c64590222798bb761d5b6d8e72950