CVE-2022-0776 Cross-site Scripting (XSS) - DOM in hakimel/reveal.js
An attacker can execute arbitrary JavaScript in the victim's browser via DOM-based XSS in the reveal.js presentation library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-0776?
CVE-2022-0776 is a medium-severity cross-site scripting vulnerability in hakimel/reveal.js, published on 1 Mar 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Cross-site Scripting (XSS) - DOM in GitHub repository hakimel/reveal.js prior to 4.3.0.
Weakness: CWE-79
Which versions are affected by CVE-2022-0776?
2 open source packages ship an affected version, including reveal.js. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
reveal.js npm | All versions | 4.3.0 |
reveal.js npm | All versions | 4.3.0 |
Products include Revealjs Reveal.js.
How do I fix CVE-2022-0776?
Upgrade reveal.js to 4.3.0 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-0776 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-0776 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in hakimel/reveal.js
Sources
Also known as GHSA-hhqj-cfjx-vj25.