XSS in Splunk
CVE-2025-20385
In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.6, 10.0.2503.7, and 9.3.2411.117, a user who holds a role with a high privilege capability `admin_all_objects` could craft a malicious payload through the href attribute of an anchor tag within a collection in the navigation bar, which could result in execution of unauthorized JavaScript code in the browser of a user.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.002 (15.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.4 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:N/A:N.
Affected products
- Splunk
- Splunk Cloud Platform — versions 10.1.2507, 10.0.2503, 9.3.2411
- Splunk Splunk_cloud_platform
- Splunk Enterprise — versions 10.0, 9.4, 9.3
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20385?
- CVE-2025-20385 is a low-severity vulnerability in Splunk, classified under Cross-site Scripting. CVSS score: 2.4/10. Published 2025-12-03.
- How severe is CVE-2025-20385?
- Low severity. CVSS v3 base score is 2.4 out of 10.