Cross-site scripting in Splunk Enterprise
Priority LOW 24CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site scripting vulnerability in Splunk Enterprise 6.3.x prior to 6.3.5 and Splunk Light 6.3.x prior to 6.3.5 allows attacker with administrator rights to inject arbitrary web script or HTML via unspecified vectors.
Why it matters now
EPSS 0.00976 62nd percentileScored 2026-11-07
Fix Fixed Splunk Enterprise (Splunk Inc.): 6.3.5Splunk Light (Splunk Inc.): 6.3.5
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Splunk | Splunk Enterprise | 6.3 to before 6.3.5 | 6.3.5 | Patch available | CNA |
| Splunk | Splunk Light | 6.3 to before 6.3.5 | 6.3.5 | Patch available | CNA |
- Splunk Enterprise VendorSplunk Affected 6.3 to before 6.3.5 Fixed in 6.3.5 Patch available CNA
- Splunk Light VendorSplunk Affected 6.3 to before 6.3.5 Fixed in 6.3.5 Patch available CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:splunk:splunk:6.3.0:*:*:*:enterprise:*:*:* | 6.3.0 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.0:*:*:*:light:*:*:* | 6.3.0 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.1:*:*:*:enterprise:*:*:* | 6.3.1 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.1:*:*:*:light:*:*:* | 6.3.1 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.2:*:*:*:enterprise:*:*:* | 6.3.2 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.2:*:*:*:light:*:*:* | 6.3.2 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.3:*:*:*:enterprise:*:*:* | 6.3.3 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.3:*:*:*:light:*:*:* | 6.3.3 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.4:*:*:*:enterprise:*:*:* | 6.3.4 | Vulnerable | Splunk |
| cpe:2.3:a:splunk:splunk:6.3.4:*:*:*:light:*:*:* | 6.3.4 | Vulnerable | Splunk |
- cpe:2.3:a:splunk:splunk:6.3.0:*:*:*:enterprise:*:*:* Versions 6.3.0 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.0:*:*:*:light:*:*:* Versions 6.3.0 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.1:*:*:*:enterprise:*:*:* Versions 6.3.1 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.1:*:*:*:light:*:*:* Versions 6.3.1 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.2:*:*:*:enterprise:*:*:* Versions 6.3.2 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.2:*:*:*:light:*:*:* Versions 6.3.2 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.3:*:*:*:enterprise:*:*:* Versions 6.3.3 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.3:*:*:*:light:*:*:* Versions 6.3.3 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.4:*:*:*:enterprise:*:*:* Versions 6.3.4 Vulnerable ·Splunk
- cpe:2.3:a:splunk:splunk:6.3.4:*:*:*:light:*:*:* Versions 6.3.4 Vulnerable ·Splunk
Remediation
- Fix · CNA Splunk Enterprise (Splunk Inc.) Fixed in 6.3.5
- Fix · CNA Splunk Light (Splunk Inc.) Fixed in 6.3.5
Timeline
- 2026-10-02 Threatist record created from CVE-2016-4856
- 2026-10-03 Alias added: GHSA-35rm-gh88-rf95
References
More Splunk vulnerabilities
- TI-2026-16444 Unauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk Enterprise KEVCVSS 3.1CRITICAL 9.8
- TI-2014-00154 The (1) TLS and (2) DTLS implementations in OpenSSL 1.0.1 before 1.0.1g do not properly… KEVCVSS 3.1HIGH 7.5
- TI-2023-24841 Remote code execution (RCE) in Splunk Enterprise through Insecure XML Parsing CVSS 3.1HIGH 8.8
- TI-2023-15979 ‘edit_user’ Capability Privilege Escalation CVSS 3.1HIGH 8.8
- TI-2024-30707 Remote Code Execution (RCE) due to insecure session storage configuration in Splunk Enterprise on Windows CVSS 3.1HIGH 8.8
- TI-2022-21345 Reflected Cross-Site Scripting via the radio template in Splunk Enterprise CVSS 3.1HIGH 8.8
Sources
- CVE-2016-4856 · CVE Program
- CVE-2016-4856 · NVD
- FIRST EPSS
- GHSA-35rm-gh88-rf95 · GitHub Advisory Database · CC BY 4.0
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