{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46609", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-05-15T19:34:14.011Z", "datePublished": "2026-06-10T15:59:03.416Z", "dateUpdated": "2026-06-10T15:59:03.416Z"}, "containers": {"cna": {"title": "Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confirmation dialog", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.6, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-vr9v-27gg-qgx4", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-vr9v-27gg-qgx4"}], "affected": [{"vendor": "umbraco", "product": "Umbraco-CMS", "versions": [{"version": ">= 14.0.0, < 17.4.0", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-06-10T15:59:03.416Z"}, "descriptions": [{"lang": "en", "value": "Umbraco is an ASP.NET CMS. From version 14.0.0 to before version 17.4.0, authenticated users are able to inject HTML into an input field, which is rendered in the confirmation dialog without proper output encoding. This issue has been patched in version 17.4.0."}], "source": {"advisory": "GHSA-vr9v-27gg-qgx4", "discovery": "UNKNOWN"}}}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[14.0.0,17.4.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Umbraco-CMS", "source": "cna", "vendor": "umbraco"}, "product": "cms", "vendor": "umbraco"}], "created": "2026-06-10T18:30:36.238781+00:00", "updated": "2026-06-10T18:30:36.572290+00:00", "vendors": ["umbraco", "umbraco$PRODUCT$cms"]}