Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1oaHFqLWNmangtdmoyNc0vlw

Cross site scripting in reveal.js

The onmessage event listener in /plugin/notes/speaker-view.html does not check the origin of postMessage before adding the content to the webpage. The vulnerable code allows any origin to postMessage on the browser window and feeds attacker's input to parts using which attacker can execute arbitrary javascript code on victim's browser window hosting reveal.js

Permalink: https://github.com/advisories/GHSA-hhqj-cfjx-vj25
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1oaHFqLWNmangtdmoyNc0vlw
Source: GitHub Advisory Database
Origin: Unspecified
Severity: Moderate
Classification: General
Published: about 2 years ago
Updated: about 1 year ago

CVSS Score: 6.1
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Identifiers: GHSA-hhqj-cfjx-vj25, CVE-2022-0776
References:

• https://nvd.nist.gov/vuln/detail/CVE-2022-0776
• https://github.com/hakimel/reveal.js/commit/32cdd3b1872ba8e2267c9e87ae216cb55f40f4d2
• https://huntr.dev/bounties/be2b7ee4-f487-42e1-874a-6bcc410e4001
• https://github.com/advisories/GHSA-hhqj-cfjx-vj25

Repository: https://github.com/hakimel/reveal.js
Blast Radius: 32.6

Affected Packages