cve.bz

CVE-2020-7747

6.3 mediumEPSS 0.9%

Medium (6.3) in lightning-viz lightning. EPSS 0.9% chance of exploitation in the next 30 days.

This affects all versions of package lightning-server. It is possible to inject malicious JavaScript code as part of a session controller.

Severity

CVSS 3.1

6.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
EPSS
0.9% chance of exploitation in the next 30 days; higher than 58% of CVEs (scores of 2026-10-31)
CWE
CWE-79
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-gmch-cm2p-9qw9npmlightning-server<=1.3.0no fix published

References

Check your stackJSON