CVE-2020-36844 json
The KnowBe4 Security Awareness Training application before 2020-01-10 allows reflected XSS.
published last yr. modified 4mo ago also EUVD-2020-30796
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- KnowBe4 Security Awareness Training 2020-01-10
Is CVE-2020-36844 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- doyler.net https://www.doyler.net/security-not-included/knowbe4-vulnerabilities referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected products
- KnowBe4 Security Awareness Training
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2020-36844
- NVD CVE-2020-36844
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.