{"id":"CVE-2020-16254","aliases":["EUVD-2020-0584","GHSA-3j95-fjv2-3m4p"],"status":"published","title":"CSS Injection in Chartkick gem","description":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00758,"percentile":0.55535,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-74"],"published":"2020-08-05T19:52:30Z","modified":"2026-10-20T10:51:58Z","fixes":[{"ecosystem":"RubyGems","package":"chartkick","fixed_in":["3.4.0"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"RubyGems","package":"chartkick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0"}]}]},{"source":"osv","ecosystem":"RubyGems","package":"chartkick","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.0"}]}],"versions":["0.0.1","0.0.2","0.0.3","0.0.4","0.0.5","1.0.0","1.0.1","1.1.0","1.1.1","1.1.2","1.1.3","1.2.0","1.2.1","1.2.2","1.2.3","1.2.4","1.2.5","1.3.0","1.3.1","1.3.2","1.4.0","1.4.1","1.4.2","1.5.0","1.5.1","1.5.2","2.0.0","2.0.1","2.0.2","2.1.0","2.1.1","2.1.2","2.1.3","2.2.0","2.2.1","2.2.2","2.2.3","2.2.4","2.2.5","2.3.0","2.3.1","2.3.2","2.3.3","2.3.4","2.3.5","3.0.0","3.0.1","3.0.2","3.1.0","3.2.0","3.2.1","3.2.2","3.3.0","3.3.1","3.3.2"]}],"products":[{"vendor":"chartkick_project","product":"chartkick"}],"references":[{"url":"https://github.com/ankane/chartkick","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","advisory","package"]},{"url":"https://github.com/ankane/chartkick/issues/546","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16254","tags":["advisory"]},{"url":"https://github.com/ankane/chartkick/commit/ba67ab5e603de4d94676790fdac425f8199f1c4f","tags":["web"]},{"url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/chartkick/CVE-2020-16254.yml","tags":["web"]},{"url":"https://github.com/advisories/GHSA-3j95-fjv2-3m4p"}],"sources":{"cve":[{"id":"CVE-2020-16254","description":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","status":"published","published":"2020-08-05T19:52:30Z","modified":"2024-08-04T13:37:54.178Z","updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-0584","description":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","status":"published","published":"2020-08-05T19:52:30Z","modified":"2024-08-04T13:37:54Z","updated_at":"2026-11-03T03:07:28.673063Z"}],"ghsa":[{"id":"GHSA-3j95-fjv2-3m4p","title":"CSS Injection in Chartkick gem","description":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","status":"published","published":"2020-08-12T14:29:15Z","modified":"2023-01-09T05:03:32Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:36:05.705235Z"}],"nvd":[{"id":"CVE-2020-16254","description":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","status":"published","published":"2020-08-05T20:15:14.74Z","modified":"2026-06-17T02:57:56.89Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:06:10.994748Z"}],"osv":[{"id":"CVE-2020-16254","description":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","status":"published","published":"2020-08-05T20:15:14.74Z","modified":"2026-10-20T10:51:58.658837376Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:14.828228Z"},{"id":"GHSA-3j95-fjv2-3m4p","title":"CSS Injection in Chartkick gem","description":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","status":"published","published":"2020-08-12T14:29:15Z","modified":"2023-11-08T04:02:39.437608Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:46:35.747385Z"}]}}