{"id":"CVE-2020-17551","aliases":["GHSA-j29g-g982-pwpv"],"url":"https://o3.security/vulnerability/CVE-2020-17551","summary":"Cross-site scripting (XSS)","details":"ImpressCMS 1.4.0 is affected by XSS in modules/system/admin.php which may result in arbitrary remote code execution.","published":"2020-10-07T17:15:13.287Z","modified":"2026-07-08T16:27:22.173020Z","cvss":{"score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Packagist","name":"impresscms/impresscms","fixedVersion":"1.4.1"}],"fix":null,"references":[{"type":"WEB","url":"https://www.impresscms.org/"},{"type":"EVIDENCE","url":"https://github.com/ImpressCMS/impresscms/issues/659"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-17551"},{"type":"WEB","url":"https://www.impresscms.org"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T16:27:22.173020Z"}}