CVE-2025-20367 Cross-site scripting in Splunk Cloud Platform
A low-privileged user can inject malicious JavaScript into the search table endpoint, allowing execution in other users' browsers.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-20367?
CVE-2025-20367 is a medium-severity cross-site scripting vulnerability in Splunk Splunk, published on 1 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
In Splunk Enterprise versions below 9.4.4, 9.3.6 and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.109, 9.3.2408.119 and 9.2.2406.122, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could craft a malicious payload through the `dataset.command` parameter of the `/app/search/table` endpoint, which could result in execution of unauthorized JavaScript code in the browser of a user.
Weakness: CWE-79
Which versions are affected by CVE-2025-20367?
It affects 2 products.
Products include Splunk Splunk, Splunk Splunk Cloud Platform.
How do I fix CVE-2025-20367?
No fix has been published for CVE-2025-20367 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-2025-20367 being exploited?
There is no known exploitation of CVE-2025-20367 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-mr5p-hhp7-5qgx.