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TI-2023-09824 Aliases CVE-2023-24044GHSA-r5c5-3whr-qfrr

A Host Header Injection issue on the Login page of Plesk Obsidian through 18.0.49 allows…

Priority MEDIUM 60CWE-601Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-601.

Summary

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."

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.02299 83rd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:plesk:obsidian:*:*:*:*:*:*:*:*up to 18.0.49VulnerablePlesk
  • cpe:2.3:a:plesk:obsidian:*:*:*:*:*:*:*:* Versions up to 18.0.49 Vulnerable ·Plesk

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-24044
  2. 2026-10-03 Alias added: GHSA-r5c5-3whr-qfrr

References

Exploit 1

Other 2

  • TI-2021-14427 The feature to preview a website in Plesk Obsidian 18.0.0 through 18.0.32 on Linux is… CVSS 3.1MEDIUM 6.1
  • TI-2022-22206 Plesk Obsidian allows a CSRF attack, e.g., via the /api/v2/cli/commands REST API to… CVSS 3.1MEDIUM 6.5
  • TI-2020-09285 A GET-based XSS reflected vulnerability in Plesk Obsidian 18.0.17 allows remote… CVSS 3.1MEDIUM 6.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences