CVE-2020-28919

Name: CVE-2020-28919
Creator: NVD / NIST
Published: 2022-01-15T17:15:08.283+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.08%

Last modified Jun 17, 2026

CVE-2020-28919 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A stored cross site scripting (XSS) vulnerability in Checkmk 1.6.0x prior to 1.6.0p19 allows an authenticated remote attacker to inject arbitrary JavaScript via a javascript: URL in a view title.. EPSS estimates a 1.08% chance of exploitation in the next 30 days.

Description

A stored cross site scripting (XSS) vulnerability in Checkmk 1.6.0x prior to 1.6.0p19 allows an authenticated remote attacker to inject arbitrary JavaScript via a javascript: URL in a view title.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

1.08%

60.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Checkmk	Checkmk	1.6.0

References

https://checkmk.com/check_mk-werks.php?werk_id=11501Vendor Advisory
https://emacsninja.com/posts/cve-2020-28919-stored-xss-in-checkmk-160p18.htmlExploit, Third Party Advisory
https://github.com/tribe29/checkmk/commit/c00f450f884d8a229b7d8ab3f0452ed802a1ae04Patch, Third Party Advisory
https://github.com/tribe29/checkmk/commit/e7fd8e4c90be490e4293ec91804d00ec01af5ca6Patch
https://checkmk.com/check_mk-werks.php?werk_id=11501Vendor Advisory
https://emacsninja.com/posts/cve-2020-28919-stored-xss-in-checkmk-160p18.htmlExploit, Third Party Advisory
https://github.com/tribe29/checkmk/commit/c00f450f884d8a229b7d8ab3f0452ed802a1ae04Patch, Third Party Advisory
https://github.com/tribe29/checkmk/commit/e7fd8e4c90be490e4293ec91804d00ec01af5ca6Patch

Timeline

Published: Jan 15, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-28919?

A stored cross site scripting (XSS) vulnerability in Checkmk 1.6.0x prior to 1.6.0p19 allows an authenticated remote attacker to inject arbitrary JavaScript via a javascript: URL in a view title.

How severe is CVE-2020-28919?

CVE-2020-28919 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.08% probability of exploitation in the next 30 days.

How do I fix CVE-2020-28919?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28919?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST