{"cve":"CVE-2020-28129","nvd":{"published":"2020-11-17T21:15:12.957","modified":"2026-06-17T03:10:07.903","status":"Analyzed","description":"Stored Cross-site scripting (XSS) vulnerability in SourceCodester Gym Management System 1.0 allows users to inject and store arbitrary JavaScript code in index.php?page=packages via vulnerable fields 'Package Name' and 'Description'.","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-79"],"references":["https://www.exploit-db.com/exploits/48941","https://www.sourcecodester.com/php/14541/gym-management-system-using-phpmysqli-source-code.html","https://www.exploit-db.com/exploits/48941","https://www.sourcecodester.com/php/14541/gym-management-system-using-phpmysqli-source-code.html"],"products":["admerc:gym_management_system"],"source":"nvd","synced_at":"2026-10-19T21:11:20.317016139+00:00"},"epss":{"cve":"CVE-2020-28129","score":0.00967,"percentile":0.61815,"date":"2026-10-31"},"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."]}