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Description

In Splunk Enterprise versions below 10.0.2, 9.4.6, 9.3.8, and 9.2.10, and Splunk Cloud Platform versions below 10.1.2507.10, 10.0.2503.8, and 9.3.2411.120, a low-privileged user that does not hold the "admin" or "power" Splunk roles could create a views dashboard with a custom background using the `data:image/png;base64` protocol that could potentially lead to an unvalidated redirect. This behavior circumvents the Splunk external URL warning mechanism by using a specially crafted URL, allowing for a redirection to an external malicious site. The vulnerability requires the attacker to phish the victim by tricking them into initiating a request within their browser. The authenticated user should not be able to exploit the vulnerability at will.

PUBLISHED Reserved 2024-10-10 | Published 2025-12-03 | Updated 2025-12-03 | Assigner cisco




LOW: 3.5CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

Problem types

A web application accepts a user-controlled input that specifies a link to an external site, and uses that link in a Redirect. This simplifies phishing attacks.

Product status

10.0 (custom) before 10.0.2
affected

9.4 (custom) before 9.4.6
affected

9.3 (custom) before 9.3.8
affected

9.2 (custom) before 9.2.10
affected

10.1.2507 (custom) before 10.1.2507.10
affected

10.0.2503 (custom) before 10.0.2503.8
affected

9.3.2411 (custom) before 9.3.2411.120
affected

Credits

Anton (therceman)

References

advisory.splunk.com/advisories/SVD-2025-1201

cve.org (CVE-2025-20382)

nvd.nist.gov (CVE-2025-20382)