{"cve":"CVE-2020-16254","nvd":{"published":"2020-08-05T20:15:14.740","modified":"2026-06-17T02:57:56.890","status":"Modified","description":"The Chartkick gem through 3.3.2 for Ruby allows Cascading Style Sheets (CSS) Injection (without attribute).","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-74"],"references":["https://github.com/ankane/chartkick","https://github.com/ankane/chartkick/issues/546","https://github.com/ankane/chartkick","https://github.com/ankane/chartkick/issues/546"],"products":["chartkick_project:chartkick"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-16254","score":0.00758,"percentile":0.55224,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-3j95-fjv2-3m4p","url":"https://osv.dev/vulnerability/GHSA-3j95-fjv2-3m4p","summary":"CSS Injection in Chartkick gem","modified":"2023-11-08T04:02:39.437608Z","packages":[{"ecosystem":"RubyGems","name":"chartkick","purl":"pkg:gem/chartkick","ranges":["<3.4.0"],"fixed":["3.4.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}