XSS in Knowbe4 Security Awareness Training

CVE-2020-36844

The KnowBe4 Security Awareness Training application before 2020-01-10 allows reflected XSS. The response has a SCRIPT element that sets window.location.href to a JavaScript URL.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (18.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-36844?
CVE-2020-36844 is a medium-severity vulnerability in Knowbe4 Security Awareness Training, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-04-20.
How severe is CVE-2020-36844?
Medium severity. CVSS v3 base score is 6.1 out of 10.