Splunk Enterprise/Cloud Platform up to 9.3.8/9.4.8/10.0.2 User Interface _new cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Splunk Enterprise and Cloud Platform up to 9.3.8/9.4.8/10.0.2. This vulnerability affects unknown code of the file /manager/launcher/data/ui/views/_new of the component User Interface. Performing a manipulation results in cross site scripting. This vulnerability was named CVE-2026-20162. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Splunk Enterprise and Cloud Platform up to 9.3.8/9.4.8/10.0.2. This affects an unknown functionality of the file /manager/launcher/data/ui/views/_new of the component User Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. This is going to have an impact on integrity. The summary by CVE is:

In Splunk Enterprise versions below 10.2.0, 10.0.3, 9.4.9, and 9.3.9, and Splunk Cloud Platform versions below 10.2.2510.4, 10.1.2507.15, 10.0.2503.11, and 9.3.2411.123, a low-privileged user who does not hold the "admin" or "power" Splunk roles could craft a malicious payload when creating a View (Settings - User Interface - Views) at the `/manager/launcher/data/ui/views/_new` endpoint leading to a Stored Cross-Site Scripting (XSS) through a path traversal vulnerability. This could result in execution of unauthorized JavaScript code in the browser of a user. 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.

It is possible to read the advisory at advisory.splunk.com. This vulnerability is uniquely identified as CVE-2026-20162 since 10/08/2025. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Log Management Software

Vendor

• Splunk

Name

• Cloud Platform
• Enterprise

Version

• 9.3.0
• 9.3.1
• 9.3.2
• 9.3.3
• 9.3.4
• 9.3.5
• 9.3.6
• 9.3.7
• 9.3.8
• 9.4.0
• 9.4.1
• 9.4.2
• 9.4.3
• 9.4.4
• 9.4.5
• 9.4.6
• 9.4.7
• 9.4.8
• 10.0.0
• 10.0.1
• 10.0.2

License

• commercial

CPE 2.3info

• 🔒
• 🔒
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CPE 2.2info

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Entryinfo

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