GitHub Advisoryadvisory · npm

GHSA-hhqj-cfjx-vj25 Cross site scripting in reveal.js

MEDIUM Published 2022-03-02 Modified 2022-03-10 Official page ↗
Aliases
CVE-2022-0776
Ecosystem
npm
Packages
reveal.js
Severity
Moderate
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79
Reviewed
2022-03-02

Affected packages

• npm reveal.js: < 4.3.0 → fixed in 4.3.0

Description

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

Related

Alias · CVE (1)

  • CVE-2022-0776 Cross-site Scripting (XSS) - DOM in GitHub repository hakimel/reveal.js prior to 4.3.0. vulnerability

Weakness · CWE (1)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness

References