Medium severity6.1NVD Advisory· Published Feb 28, 2020· Updated Jun 17, 2026
CVE-2020-8127
CVE-2020-8127
Description
Insufficient validation in cross-origin communication (postMessage) in reveal.js version 3.9.1 and earlier allow attackers to perform cross-site scripting attacks.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
reveal.jsnpm | < 3.9.2 | 3.9.2 |
Affected products
3- reveal.js/reveal.jsdescription
Patches
Vulnerability mechanics
References
3- hackerone.com/reports/691977nvdExploitThird Party AdvisoryWEB
- github.com/advisories/GHSA-6vwx-mwp8-fh44ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-8127ghsaADVISORY
News mentions
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