CVE-2020-36844 Cross-site scripting in Security Awareness Training
Reflected XSS in KnowBe4 Security Awareness Training allows attackers to execute arbitrary scripts in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-36844?
CVE-2020-36844 is a medium-severity cross-site scripting vulnerability in KnowBe4 Security Awareness Training, published on 20 Apr 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2020-36844?
It affects 1 product.
Products include Knowbe4 Security Awareness Training.
How do I fix CVE-2020-36844?
No fix has been published for CVE-2020-36844 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2020-36844 being exploited?
There is no known exploitation of CVE-2020-36844 in the wild and no public exploit code.
Other vulnerabilities in KnowBe4 Security Awareness Training
Sources
Also known as GHSA-734j-rghv-fj5v.