{"id":"CVE-2020-16254","aliases":["GHSA-3j95-fjv2-3m4p"],"url":"https://o3.security/vulnerability/CVE-2020-16254","summary":"CSS Injection in Chartkick gem","details":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","published":"2020-08-05T20:15:14.740Z","modified":"2026-07-08T20:58:41.686152Z","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":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"RubyGems","name":"chartkick","fixedVersion":"3.4.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/ankane/chartkick"},{"type":"EVIDENCE","url":"https://github.com/ankane/chartkick/issues/546"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T20:58:41.686152Z"}}