Stored Cross-Site Scripting (XSS) through missing field warning messages in Saved Search and Job Inspector on Splunk Enterprise
Advisory ID: SVD-2025-1003
CVE ID: CVE-2025-20368
Published: 2025-10-01
Last Update: 2025-10-01
CVSSv3.1 Score: 5.7, Medium
CVSSv3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CWE: CWE-79
Bug ID: VULN-31847
Description
In Splunk Enterprise versions below 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.108, 9.3.2408.118 and 9.2.2406.123, a low privileged user that does not hold the ‘admin’ or ‘power’ Splunk roles could craft a malicious payload through the error messages and job inspection details of a saved search.
This could result in execution of unauthorized JavaScript code in the browser of a user.
Solution
Upgrade Splunk Enterprise to versions 9.4.4, 9.3.6, 9.2.8, or higher.
Splunk is actively monitoring and patching Splunk Cloud Platform instances.
Product Status
| Product | Base Version | Component | Affected Version | Fix Version |
|---|---|---|---|---|
| Splunk Enterprise | 10.0 | Splunk Web | Not Affected | 10.0.0 |
| Splunk Enterprise | 9.4 | Splunk Web | 9.4.0 to 9.4.3 | 9.4.4 |
| Splunk Enterprise | 9.3 | Splunk Web | 9.3.0 to 9.3.5 | 9.3.6 |
| Splunk Enterprise | 9.2 | Splunk Web | 9.2.0 to 9.2.7 | 9.2.8 |
| Splunk Cloud Platform | 9.3.2411 | Splunk Web | Below 9.3.2411.108 | 9.3.2411.108 |
| Splunk Cloud Platform | 9.3.2408 | Splunk Web | Below 9.3.2408.118 | 9.3.2408.118 |
| Splunk Cloud Platform | 9.2.2406 | Splunk Web | Below 9.2.2406.123 | 9.2.2406.123 |
Mitigations and Workarounds
The vulnerability affects instances with Splunk Web enabled, turning Splunk Web off is a possible workaround. See Disable unnecessary Splunk Enterprise components and the web.conf configuration specification file for more information on disabling Splunk Web.
Detections
None
Severity
Splunk rates this vulnerability a 5.7, Medium, with a CVSSv3.1 vector of CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N.
Acknowledgments
Danylo Dmytriiev (DDV_UA)