Cross-site Scripting (XSS) - DOM in hakimel/reveal.js

published 2022-03-01 4 y ago modified 2026-06-17 4 mo ago also GHSA-hhqj-cfjx-vj25 , EUVD-2022-1442

cvss: 5.3; version 3.0, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 3.7%; EPSS 3.7% chance of exploitation in 30 days, percentile 89%
public exploits: 0; none known, plus a Nuclei check

Cross-site Scripting (XSS) - DOM in GitHub repository hakimel/reveal.js prior to 4.3.0.

Patch / fix

fixed in 2 links 1

npm reveal.js 4.3.0
hakimel hakimel/reveal.js 4.3.0

github.com/hakimel/reveal.js@32cdd3b commit

Exploit prediction

3.68% chance of exploitation in the next 30 days, higher than 89% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Nuclei template RevealJS postMessage <4.3.0 - Cross-Site Scripting nuclei detection template
huntr.dev https://huntr.dev/bounties/be2b7ee4-f487-42e1-874a-6bcc410e4001 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	3.0	5.3	CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:H/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
npm	reveal.js	<4.3.0	4.3.0

Affected products

hakimel hakimel/reveal.js

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /hakimel/reveal.js/commit/32cdd3b1872ba8e2267c9e87ae216cb55f40f4d2
web, patch, third-party-advisory
huntr.dev /bounties/be2b7ee4-f487-42e1-874a-6bcc410e4001
web, exploit, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2022-0776
advisory
github.com /hakimel/reveal.js
package

Sources

CVE List CVE-2022-0776
GitHub Advisory GHSA-hhqj-cfjx-vj25
NVD CVE-2022-0776

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary