CVE-2025-20385: Splunk

Medium severity, CVSS 4.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Splunk Splunk: from 9.2.0, before 9.2.10 (fixed in 9.2.10); from 9.3.0, before 9.3.8 (fixed in 9.3.8); from 9.4.0, before 9.4.6 (fixed in 9.4.6); from 10.0.0, before 10.0.2 (fixed in 10.0.2)
• Splunk Splunk Cloud Platform: from 9.3.2411, before 9.3.2411.117 (fixed in 9.3.2411.117); from 10.0.2503, before 10.0.2503.7 (fixed in 10.0.2503.7); from 10.1.2507, before 10.1.2507.6 (fixed in 10.1.2507.6)

Published 2025-12-03. Last modified 2026-06-17.