{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-20258", "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "state": "PUBLISHED", "assignerShortName": "cisco", "dateReserved": "2025-10-08T11:59:15.401Z", "datePublished": "2026-06-10T17:16:23.870Z", "dateUpdated": "2026-06-10T18:22:27.505Z"}, "containers": {"cna": {"affected": [{"product": "Splunk Enterprise", "vendor": "Splunk", "versions": [{"version": "10.2", "status": "affected", "versionType": "custom", "lessThan": "10.2.4"}, {"version": "10.0", "status": "affected", "versionType": "custom", "lessThan": "10.0.7"}, {"version": "9.4", "status": "affected", "versionType": "custom", "lessThan": "9.4.12"}, {"version": "9.3", "status": "affected", "versionType": "custom", "lessThan": "9.3.13"}]}, {"product": "Splunk Cloud Platform", "vendor": "Splunk", "versions": [{"version": "10.3.2512", "status": "affected", "versionType": "custom", "lessThan": "10.3.2512.11"}, {"version": "10.2.2510", "status": "affected", "versionType": "custom", "lessThan": "10.2.2510.15"}, {"version": "10.1.2507", "status": "affected", "versionType": "custom", "lessThan": "10.1.2507.23"}, {"version": "9.3.2411", "status": "affected", "versionType": "custom", "lessThan": "9.3.2411.132"}]}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.11, 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 store a malicious script in a classic dashboard HTML panel, causing unauthorized JavaScript code to execute in the browser of another user. \n\nThe vulnerability requires the attacker to phish the victim by tricking them into initiating a request within their browser. The low-privileged user should not be able to exploit the vulnerability at will."}], "value": "In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.11, 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 store a malicious script in a classic dashboard HTML panel, causing unauthorized JavaScript code to execute in the browser of another user. \n\nThe vulnerability requires the attacker to phish the victim by tricking them into initiating a request within their browser. The low-privileged user should not be able to exploit the vulnerability at will."}], "references": [{"url": "https://advisory.splunk.com/advisories/SVD-2026-0608"}], "title": "Stored Cross-Site Scripting (XSS) through Classic Dashboard in Splunk Enterprise", "datePublic": "2026-06-10T00:00:00.000Z", "metrics": [{"cvssV3_1": {"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1", "baseScore": 7.1, "baseSeverity": "HIGH"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "cwe", "description": "The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.", "cweId": "CWE-79"}]}], "source": {"advisory": "SVD-2026-0608"}, "credits": [{"lang": "en", "value": "Tony Tong"}], "providerMetadata": {"orgId": "d1c1063e-7a18-46af-9102-31f8928bc633", "shortName": "cisco", "dateUpdated": "2026-06-10T17:16:23.870Z"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-10T18:22:19.768336Z", "id": "CVE-2026-20258", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-10T18:22:27.505Z"}}]}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In Splunk Enterprise versions below 10.2.4, 10.0.7, 9.4.12, and 9.3.13, and Splunk Cloud Platform versions below 10.3.2512.11, 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 store a malicious script in a classic dashboard HTML panel, causing unauthorized JavaScript code to execute in the browser of another user. \n\nThe vulnerability requires the attacker to phish the victim by tricking them into initiating a request within their browser. The low-privileged user should not be able to exploit the vulnerability at will."}], "id": "CVE-2026-20258", "lastModified": "2026-06-10T18:36:19.463", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 5.9, "source": "psirt@cisco.com", "type": "Primary"}]}, "published": "2026-06-10T18:16:41.377", "references": [{"source": "psirt@cisco.com", "url": "https://advisory.splunk.com/advisories/SVD-2026-0608"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Undergoing Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "psirt@cisco.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.3.2512,10.3.2512.11)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.2.2510,10.2.2510.15)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.1.2507,10.1.2507.23)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.3.2411,9.3.2411.132)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Splunk Cloud Platform", "source": "cna", "vendor": "Splunk"}, "product": "splunk_cloud_platform", "vendor": "splunk"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.2,10.2.4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[10.0,10.0.7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.4,9.4.12)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[9.3,9.3.13)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Splunk Enterprise", "source": "cna", "vendor": "Splunk"}, "product": "splunk_enterprise", "vendor": "splunk"}], "created": "2026-06-10T19:30:37.218647+00:00", "updated": "2026-06-10T21:00:06.879487+00:00", "vendors": ["splunk", "splunk$PRODUCT$splunk_cloud_platform", "splunk$PRODUCT$splunk_enterprise"]}