5.7

CVE-2026-20254

Information Disclosure through External Content Restriction Bypass in Splunk Enterprise

In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.13, 10.2.2510.15, 10.1.2507.23, and 9.3.2411.132, a low-privileged user that does not hold the 'admin' or 'power' Splunk roles could craft a malicious classic dashboard that exfiltrates sensitive data to an external server when a higher-privileged user views it, bypassing the external content restriction through a Cascading Style Sheets (CSS) injection.<br><br>The Trusted Domains security check does not fully validate inline style attribute values, which can allow for outbound requests to untrusted domains and credential exfiltration when a victim views a crafted dashboard.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Splunk ≫ Splunk SwEditionenterprise Version >= 9.3.0 < 9.3.13
Splunk ≫ Splunk SwEditionenterprise Version >= 9.4.0 < 9.4.12
Splunk ≫ Splunk SwEditionenterprise Version >= 10.0.0 < 10.0.7
Splunk ≫ Splunk SwEditionenterprise Version >= 10.2.0 < 10.2.4
Splunk ≫ Splunk Cloud Platform Version >= 9.3.2411 < 9.3.2411.132
Splunk ≫ Splunk Cloud Platform Version >= 10.1.2507 < 10.1.2507.23
Splunk ≫ Splunk Cloud Platform Version >= 10.2.2510 < 10.2.2510.15
Splunk ≫ Splunk Cloud Platform Version >= 10.3.2512 < 10.3.2512.13
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.25% 0.157
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
psirt@cisco.com 5.7 2.1 3.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N
CWE-20 Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

https://advisory.splunk.com/advisories/SVD-2026-0604
Vendor Advisory