{"cve":"CVE-2018-20478","nvd":{"published":"2018-12-26T03:29:00.397","modified":"2026-06-17T01:52:55.997","status":"Modified","description":"An issue was discovered in S-CMS 1.0. It allows reading certain files, such as PHP source code, via the admin/download.php DownName parameter with a mixed-case extension, as demonstrated by a DownName=download.Php value.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":["CWE-200"],"references":["https://xz.aliyun.com/t/3614#toc-0","https://xz.aliyun.com/t/3614#toc-0"],"products":["s-cms:s-cms"],"source":"nvd","synced_at":"2026-10-19T20:54:36.112582389+00:00"},"epss":{"cve":"CVE-2018-20478","score":0.01208,"percentile":0.68383,"date":"2026-11-01"},"kev":null,"osv":[],"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."]}