XSS in Splunk
CVE-2025-20297
In Splunk Enterprise versions below 9.4.2, 9.3.4 and 9.2.6, and Splunk Cloud Platform versions below 9.3.2411.102, 9.3.2408.111 and 9.2.2406.118, a low-privileged user that does not hold the "admin" or "power" Splunk roles could craft a malicious payload through the pdfgen/render REST endpoint that could result in execution of unauthorized JavaScript code in the browser of a user.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.155 (96.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
Affected products
- Splunk
- Splunk Cloud Platform — versions 9.3.2411, 9.3.2408, 9.2.2406
- Splunk Splunk_cloud_platform
- Splunk Enterprise — versions 9.4, 9.3, 9.2
Weakness classification (CWE)
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-20297?
- CVE-2025-20297 is a medium-severity vulnerability in Splunk, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2025-06-02.
- How severe is CVE-2025-20297?
- Medium severity. CVSS v3 base score is 4.3 out of 10.