{"id":"CVE-2021-47776","revision":"47590d3a3a574a23afab32b5e4f0fa9e","records":[{"revision":"47590d3a3a574a23afab32b5e4f0fa9e","observedAt":"2026-10-24T19:17:37.358+00:00","statement":{"source":"nvd","id":"CVE-2021-47776","aliases":[],"title":"Umbraco CMS v8.14.1 contains a server-side request forgery vulnerability that allows attackers to manipulate baseUrl parameters in multiple dashboard and help controller endpoints. Attackers can craft malicious requests to the GetContextHel…","description":"Umbraco CMS v8.14.1 contains a server-side request forgery vulnerability that allows attackers to manipulate baseUrl parameters in multiple dashboard and help controller endpoints. Attackers can craft malicious requests to the GetContextHelpForPage, GetRemoteDashboardContent, and GetRemoteDashboardCss endpoints to trigger unauthorized server-side requests to external hosts.","state":0,"publishedAt":"2026-01-15T16:16:09.51+00:00","modifiedAt":"2026-10-08T16:16:44.817+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":6.9,"severity":"MEDIUM"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://our.umbraco.com/","https://releases.umbraco.com/all-releases","https://www.exploit-db.com/exploits/50462"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2021-47776","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-918"],"productCriteria":["cpe:2.3:a:umbraco:umbraco_cms:8.14.1:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-01-15T16:16:09.510","lastModified":"2026-10-08T16:16:44.817"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2021-47776","identifiers":["CVE-2021-47776"]},"retained":false,"historicalAffected":[]}],"coverage":[]}