What’s Vulnerable › Vulnerabilities

CVE-2023-46214: Remote code execution (RCE) in Splunk Enterprise through Insecure XML Parsing

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 89.2% 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-91

Description

In Splunk Enterprise versions below 9.0.7 and 9.1.2, Splunk Enterprise does not safely sanitize extensible stylesheet language transformations (XSLT) that users supply. This means that an attacker can upload malicious XSLT which can result in remote code execution on the Splunk Enterprise instance.

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-2023-1104
• https://research.splunk.com/application/6cb7e011-55fb-48e3-a98d-164fa854e37e/
• https://research.splunk.com/application/a053e6a6-2146-483a-9798-2d43652f3299/
• https://advisory.splunk.com/advisories/SVD-2023-1104
• https://research.splunk.com/application/6cb7e011-55fb-48e3-a98d-164fa854e37e/
• https://research.splunk.com/application/a053e6a6-2146-483a-9798-2d43652f3299/

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