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        "cveId": "CVE-2026-110847",
        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "state": "PUBLISHED",
        "assignerShortName": "VulnCheck",
        "dateReserved": "2026-10-14T22:12:22.055Z",
        "datePublished": "2026-10-14T22:52:22.958Z",
        "dateUpdated": "2026-10-15T13:43:58.755Z"
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            "datePublic": "2026-09-30T00:00:00.000Z",
            "title": "n8n before 1.123.83, 2.41.4, and 2.42.1 Stored XSS via Chat Trigger customCss Parameter",
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                    "lang": "en",
                    "value": "n8n before 1.123.83, 2.x before 2.41.4, and 2.42.x before 2.42.1 contains a stored cross-site scripting vulnerability in the Chat Trigger hosted-chat page, where insufficiently sanitised customCss values are interpolated into the page as markup. Workflow authors can publish a chat without n8n user authentication whose payload executes on the instance origin, acting on the sessions of signed-in visitors."
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                            "lang": "en",
                            "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
                            "cweId": "CWE-79",
                            "type": "CWE"
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            "affected": [
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                    "vendor": "n8n-io",
                    "product": "n8n",
                    "defaultStatus": "unaffected",
                    "packageURL": "pkg:npm/n8n",
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                            "version": "0",
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                        "attackVector": "NETWORK",
                        "attackComplexity": "LOW",
                        "attackRequirements": "NONE",
                        "privilegesRequired": "LOW",
                        "userInteraction": "PASSIVE",
                        "vulnConfidentialityImpact": "HIGH",
                        "vulnIntegrityImpact": "LOW",
                        "vulnAvailabilityImpact": "NONE",
                        "subConfidentialityImpact": "NONE",
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                        "baseScore": 7,
                        "baseSeverity": "HIGH"
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                {
                    "url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-x5cw-hm7v-q7mj",
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                    "tags": [
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                                "timestamp": "2026-10-15T13:42:55.565618Z",
                                "id": "CVE-2026-110847",
                                "options": [
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                                        "Exploitation": "none"
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                                ],
                                "role": "CISA Coordinator",
                                "version": "2.0.3"
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                "title": "CISA ADP Vulnrichment",
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