CVE-2023-40592 Reflected Cross-site Scripting (XSS) on "/app/search/table" web endpoint
Attackers can execute arbitrary commands on Splunk instances via reflected XSS in the search table endpoint.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-40592?
CVE-2023-40592 is a high-severity cross-site scripting vulnerability in Splunk Splunk, published on 30 Aug 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
In Splunk Enterprise versions below 9.1.1, 9.0.6, and 8.2.12, an attacker can craft a special web request that can result in reflected cross-site scripting (XSS) on the “/app/search/table” web endpoint. Exploitation of this vulnerability can lead to the execution of arbitrary commands on the Splunk platform instance.
Weakness: CWE-79
Which versions are affected by CVE-2023-40592?
It affects 2 products.
Products include Splunk Splunk, Splunk Splunk Cloud Platform.
How do I fix CVE-2023-40592?
No fix has been published for CVE-2023-40592 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-2023-40592 being exploited?
There is no known exploitation of CVE-2023-40592 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-8gcf-q856-6j97.