What’s Vulnerable › Vulnerabilities

CVE-2023-22932: Persistent Cross-Site Scripting through a Base64-encoded Image in a View in Splunk Enterprise

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-02-14 · updated 2026-06-17
• Weakness: CWE-79

Description

In Splunk Enterprise 9.0 versions before 9.0.4, a View allows for Cross-Site Scripting (XSS) through the error message in a Base64-encoded image. The vulnerability affects instances with Splunk Web enabled. It does not affect Splunk Enterprise versions below 9.0.

Affected products

• Splunk Enterprise: from 9.0.0 before 9.0.4 — fixed in 9.0.4
• Splunk Cloud Platform: before 9.0.2209.3 — fixed in 9.0.2209.3

How to fix

Upgrade to a fixed version: Splunk Enterprise 9.0.4; Splunk Cloud Platform 9.0.2209.3. Check the vendor advisory for mitigations.

References

• https://advisory.splunk.com/advisories/SVD-2023-0202
• https://research.splunk.com/application/ce6e1268-e01c-4df2-a617-0f034ed49a43/
• https://advisory.splunk.com/advisories/SVD-2023-0202
• https://research.splunk.com/application/ce6e1268-e01c-4df2-a617-0f034ed49a43/

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