{"id":"GHSA-vr9v-27gg-qgx4","revision":"7d9ed7aa8a244ece9b174daed744e8cc","records":[{"revision":"7d9ed7aa8a244ece9b174daed744e8cc","observedAt":"2026-10-23T16:01:25.029+00:00","statement":{"source":"osv","id":"GHSA-vr9v-27gg-qgx4","aliases":["CVE-2026-46609"],"title":"Umbraco.Cms: XSS/HTML Injection in Umbraco Backoffice confirmation dialog","description":"### Impact\nAuthenticated users are able to inject HTML vulnerability into an input field, which is rendered in the confirmation dialog without proper output encoding.\n\n### Patches\nThis issue has been patched in 17.4.0","state":0,"publishedAt":"2026-05-21T20:43:06+00:00","modifiedAt":"2026-06-10T18:46:55.3896176+00:00","affected":[{"ecosystem":"NuGet","name":"Umbraco.Cms","ranges":[{"type":"ECOSYSTEM","events":[{"kind":"introduced","version":"14.0.0"},{"kind":"fixed","version":"17.4.0"}]}],"versions":["14.0.0","14.1.0","14.1.0-rc","14.1.0-rc2","14.1.1","14.1.2","14.2.0","14.2.0-rc","14.2.0-rc2","14.2.0-rc3","14.3.0","14.3.0-rc","14.3.1","14.3.2","14.3.3","14.3.4","15.0.0","15.0.0-rc1","15.0.0-rc2","15.0.0-rc3","15.0.0-rc4","15.1.0","15.1.0-rc","15.1.0-rc2","15.1.1","15.1.2","15.2.0","15.2.0-rc","15.2.1","15.2.2","15.2.3","15.3.0","15.3.0-rc","15.3.0-rc2","15.3.1","15.4.0","15.4.0-rc","15.4.0-rc2","15.4.1","15.4.2","15.4.3","15.4.4","16.0.0","16.0.0-rc","16.0.0-rc2","16.0.0-rc3","16.0.0-rc4","16.0.0-rc5","16.0.0-rc6","16.1.0","16.1.0-rc","16.1.1","16.2.0","16.2.0-rc","16.2.0-rc2","16.3.0","16.3.0-rc","16.3.0-rc2","16.3.0-rc3","16.3.0-rc4","16.3.1","16.3.2","16.3.3","16.3.4","16.4.0","16.4.0-rc","16.4.0-rc2","16.4.1","16.5.0","16.5.0-rc","16.5.1","17.0.0","17.0.0-beta","17.0.0-rc1","17.0.0-rc2","17.0.0-rc3","17.0.0-rc4","17.0.1","17.0.2","17.1.0","17.1.0-rc","17.2.0","17.2.0-rc","17.2.0-rc2","17.2.1","17.2.2","17.3.0","17.3.0-rc","17.3.0-rc2","17.3.0-rc3","17.3.1","17.3.2","17.3.3","17.3.4","17.3.5","17.4.0-rc","17.4.0-rc2","17.4.0-rc3"],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-vr9v-27gg-qgx4","https://nvd.nist.gov/vuln/detail/CVE-2026-46609","https://github.com/umbraco/Umbraco-CMS"],"sourceUrl":"https://github.com/advisories/GHSA-vr9v-27gg-qgx4","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-vr9v-27gg-qgx4","identifiers":["GHSA-vr9v-27gg-qgx4","CVE-2026-46609"]},"retained":false,"historicalAffected":[]}],"coverage":[]}