{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-45392", "assignerOrgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "state": "PUBLISHED", "assignerShortName": "Cribl", "dateReserved": "2026-05-12T01:05:53.672Z", "datePublished": "2026-05-12T01:06:26.339Z", "dateUpdated": "2026-06-02T15:53:40.515Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "shortName": "Cribl", "dateUpdated": "2026-06-02T15:53:40.515Z"}, "title": "DOM-based XSS in Cribl Stream", "datePublic": "2026-04-20T00:00:00.000Z", "descriptions": [{"lang": "en", "value": "DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.</p>"}]}], "affected": [{"vendor": "Cribl", "product": "Cribl Stream", "versions": [{"version": "0", "status": "affected", "lessThan": "4.17.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "impacts": [{"capecId": "CAPEC-588", "descriptions": [{"lang": "en", "value": "CAPEC-588 DOM-Based XSS"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N", "baseScore": 8.7, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "NONE"}, "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "ACTIVE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "source": {"discovery": "EXTERNAL"}, "references": [{"url": "https://docs.cribl.io/stream/release-notes/release-v4171#security-fixes", "name": "Cribl Stream 4.17.1 Security Fixes", "tags": ["release-notes"]}, {"url": "https://trust.cribl.io/notifications", "name": "Cribl Trust Portal", "tags": ["vendor-advisory"]}], "solutions": [{"lang": "en", "value": "Upgrade Cribl Stream to v4.17.1 or higher. 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Upgrading fully resolves this vulnerability and no additional mitigation is required.</p><p>As a defense-in-depth best practice (independent of this CVE), configuring a Content Security Policy header is recommended; see <a href=\"https://docs.cribl.io/stream/securing-sources-dest#csp\">CSP guidance</a> for non-SSO and <a href=\"https://docs.cribl.io/stream/securing-sources-dest#saml-sso-configuration\">SAML SSO configuration</a> for SSO deployments.</p>"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Frank Lycops, NATO NCSC"}, {"lang": "en", "type": "finder", "value": "Filip Waeytens, NATO NCSC"}]}, "adp": [{"problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-20", "lang": "en", "description": "CWE-20 Improper Input Validation"}]}], "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-05-15T10:56:43.705190Z", "id": "CVE-2026-45392", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-15T10:56:49.136Z"}}]}}

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Upgrading fully resolves this vulnerability and no additional mitigation is required.</p><p>As a defense-in-depth best practice (independent of this CVE), configuring a Content Security Policy header is recommended; see <a href=\"https://docs.cribl.io/stream/securing-sources-dest#csp\">CSP guidance</a> for non-SSO and <a href=\"https://docs.cribl.io/stream/securing-sources-dest#saml-sso-configuration\">SAML SSO configuration</a> for SSO deployments.</p>", "base64": false}]}], "datePublic": "2026-04-20T00:00:00.000Z", "references": [{"url": "https://docs.cribl.io/stream/release-notes/release-v4171#security-fixes", "name": "Cribl Stream 4.17.1 Security Fixes", "tags": ["release-notes"]}, {"url": "https://trust.cribl.io/notifications", "name": "Cribl Trust Portal", "tags": ["vendor-advisory"]}], "descriptions": [{"lang": "en", "value": "DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.", "supportingMedia": [{"type": "text/html", "value": "<p>DOM-based cross-site scripting (XSS) in Cribl Stream before 4.17.1 allows a remote attacker to execute arbitrary JavaScript in the browser of an authenticated user who is tricked into visiting a crafted URL and interacting with the page.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "shortName": "Cribl", "dateUpdated": "2026-06-02T15:53:40.515Z"}}}, "cveMetadata": {"cveId": "CVE-2026-45392", "state": "PUBLISHED", "dateUpdated": "2026-06-02T15:53:40.515Z", "dateReserved": "2026-05-12T01:05:53.672Z", "assignerOrgId": "af879a92-7297-456a-bb0e-905ac6c64bdc", "datePublished": "2026-05-12T01:06:26.339Z", "assignerShortName": "Cribl"}, "dataVersion": "5.2"}

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{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,4.17.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Cribl Stream", "source": "cna", "vendor": "Cribl"}, "product": "cribl_stream", "vendor": "cribl"}], "created": "2026-05-12T04:00:07.330452+00:00", "updated": "2026-06-02T18:45:06.208765+00:00", "vendors": ["cribl", "cribl$PRODUCT$cribl_stream"]}