CVE-2025-20378

In Splunk Enterprise versions below 10.0.1, 9.4.5, 9.3.7, 9.2.9, and Splunk Cloud Platform versions below 10.0.2503.5, 9.3.2411.111, and 9.3.2408.121, an unauthenticated attacker could craft a malicious URL using the `return_to` parameter of the Splunk Web login endpoint. When an authenticated user visits the malicious URL, it could cause an unvalidated redirect to an external malicious site. To be successful, the attacker has to trick the victim into initiating a request from their browser. The unauthenticated attacker should not be able to exploit the vulnerability at will.

The following products are affected by CVE-2025-20378 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-20378.

URL	Resource
https://advisory.splunk.com/advisories/SVD-2025-1101