CVE-2022-43562 Host Header Injection in Splunk Enterprise
Remote authenticated users can exploit Host header injection in Splunk Enterprise to perform cross-site scripting and cache poisoning attacks.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-43562?
CVE-2022-43562 is a low-severity cross-site scripting vulnerability in Splunk Splunk, published on 4 Nov 2022. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
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.
Which versions are affected by CVE-2022-43562?
It affects 2 products.
Products include Splunk Splunk, Splunk Splunk Cloud Platform.
How do I fix CVE-2022-43562?
No fix has been published for CVE-2022-43562 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-43562 being exploited?
There is no known exploitation of CVE-2022-43562 in the wild and no public exploit code.
Other vulnerabilities in Splunk Splunk
- CVE-2026-20253 Splunk Enterprise Missing Authentication for Critical Function
- CVE-2026-76268 Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise
- CVE-2026-76284 Improper Neutralization in Splunk Enterprise
- CVE-2026-76285 Improper Adherence to Coding Standards in Splunk Enterprise
- CVE-2017-17067 Auth bypass in n/a
Sources
Also known as GHSA-p449-69hx-vfj9.