{"id":"CVE-2021-23447","aliases":["GHSA-5f38-9jw2-6r6h","SNYK-JS-TEDDY-1579557"],"url":"https://o3.security/vulnerability/CVE-2021-23447","summary":"Cross-site Scripting in teddy","details":"This affects the package teddy before 0.5.9. A type confusion vulnerability can be used to bypass input sanitization when the model content is an array (instead of a string).","published":"2021-10-07T17:15:08.087Z","modified":"2026-07-09T14:43:45.074052Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.01128,"percentile":0.6315,"asOf":"2026-07-31"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"npm","name":"teddy","fixedVersion":"0.5.9"}],"fix":{"url":"https://github.com/rooseveltframework/teddy/pull/518","label":"rooseveltframework/teddy#518"},"references":[{"type":"ADVISORY","url":"https://github.com/rooseveltframework/teddy/releases/tag/0.5.9"},{"type":"FIX","url":"https://github.com/rooseveltframework/teddy/pull/518"},{"type":"EVIDENCE","url":"https://snyk.io/vuln/SNYK-JS-TEDDY-1579557"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T14:43:45.074052Z"}}