What is CVE-2020-7747?

CVE-2020-7747 is a medium-severity vulnerability in Lightning-Viz Lightning, classified under Cross-site Scripting. CVSS score: 6.3/10. Published 2020-10-20.

How severe is CVE-2020-7747?

Medium severity. CVSS v3 base score is 6.3 out of 10.

XSS in Lightning-Viz Lightning

CVE-2020-7747

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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.009 (54.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N.

Affected products

Lightning-viz Lightning
N/a Lightning-server — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

report@snyk.io (Exploit, Third Party Advisory, x_refsource_MISC)
report@snyk.io (x_refsource_MISC, Broken Link)
nvd@nist.gov (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2020-7747?: CVE-2020-7747 is a medium-severity vulnerability in Lightning-Viz Lightning, classified under Cross-site Scripting. CVSS score: 6.3/10. Published 2020-10-20.
How severe is CVE-2020-7747?: Medium severity. CVSS v3 base score is 6.3 out of 10.