CVE-2022-43562: Splunk

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, Splunk Enterprise fails to properly validate and escape the Host header, which could let a remote authenticated user conduct various attacks against the system, including cross-site scripting and cache poisoning.

Affected products

• Splunk Splunk: from 8.1.0, before 8.1.12 (fixed in 8.1.12); from 8.2.0, before 8.2.9 (fixed in 8.2.9); from 9.0.0, before 9.0.2 (fixed in 9.0.2)
• Splunk Splunk Cloud Platform: before 9.0.2208 (fixed in 9.0.2208)

Published 2022-11-04. Last modified 2026-06-17.