PatchTheCVECVE-2022-0776: Cross-site Scripting (XSS) - DOM in GitHub repository hakimel/reveal.js prior to 4.3.0.
CVE-2022-0776 is a medium-severity flaw (CVSS 6.1) affecting reveal.js. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Cross-site Scripting (XSS) - DOM in GitHub repository hakimel/reveal.js prior to 4.3.0.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 3.7% (top 10%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2022-03-01 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Nuclei scan template: RevealJS postMessage <4.3.0 - Cross-Site Scripting
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-0776?
reveal.js: upgrade to 4.3.0. Exact commands for each OS are on this page.
Is CVE-2022-0776 being exploited?
CVE-2022-0776 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-0776 affect?
CVE-2022-0776 affects reveal.js. Severity is medium (CVSS 6.1). Cross-site Scripting (XSS) - DOM in GitHub repository hakimel/reveal.js prior to 4.3.0.
How urgent is CVE-2022-0776?
Priority 49/100. Public exploit reference