cve.bz

CVE-2020-8127

6.1 mediumEPSS 1.2%

Medium (6.1) in revealjs reveal.js. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in reveal.js 3.9.2.

Insufficient validation in cross-origin communication (postMessage) in reveal.js version 3.9.1 and earlier allow attackers to perform cross-site scripting attacks.

Severity

CVSS 3.1

6.1 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS
1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
CWE
CWE-79
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-6vwx-mwp8-fh44npmreveal.js<3.9.23.9.2

References

Check your stackJSON