CVE-2025-20297 Reflected Cross-Site Scripting (XSS) on Splunk Enterprise through dashboard PDF generation component

What is CVE-2025-20297?

CVE-2025-20297 is a medium-severity cross-site scripting vulnerability in Splunk Splunk, published on 2 Jun 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-79

Which versions are affected by CVE-2025-20297?

It affects 2 products.

Products include Splunk Splunk, Splunk Splunk Cloud Platform.

How do I fix CVE-2025-20297?

No fix has been published for CVE-2025-20297 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-2025-20297 being exploited?

There is no known exploitation of CVE-2025-20297 in the wild and no public exploit code.

Other vulnerabilities in Splunk Splunk

• CVE-2026-20253 Splunk Enterprise Missing Authentication for Critical Function Exploited Critical 9.8
• CVE-2026-76268 Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise Critical 9.8
• CVE-2026-76284 Improper Neutralization in Splunk Enterprise Critical 9.8
• CVE-2026-76285 Improper Adherence to Coding Standards in Splunk Enterprise Critical 9.8
• CVE-2017-17067 Auth bypass in n/a Critical 9.8

All Splunk Splunk vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3r93-v644-8g5h.