CVE-2023-46213: Cross-site Scripting (XSS) on “Show Syntax Highlighted” View in Search Page

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-11-16 · updated 2026-06-17
Weakness: CWE-79

Description

In Splunk Enterprise versions below 9.0.7 and 9.1.2, ineffective escaping in the “Show syntax Highlighted” feature can result in the execution of unauthorized code in a user’s web browser.

Affected products

Splunk Cloud: before 9.1.2308 — fixed in 9.1.2308
Splunk Enterprise: from 9.0.0 before 9.0.7; from 9.1.0 before 9.1.2 — fixed in 9.0.7, 9.1.2

How to fix

Upgrade to a fixed version: Splunk Cloud 9.1.2308; Splunk Enterprise 9.0.7, 9.1.2. Check the vendor advisory for mitigations.

References

https://advisory.splunk.com/advisories/SVD-2023-1103
https://research.splunk.com/application/1030bc63-0b37-4ac9-9ae0-9361c955a3cc/
https://advisory.splunk.com/advisories/SVD-2023-1103
https://research.splunk.com/application/1030bc63-0b37-4ac9-9ae0-9361c955a3cc/

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