{"id":"CVE-2020-24963","aliases":["EUVD-2020-17663","GHSA-2fmg-qfp6-p727"],"status":"published","title":"An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested...","description":"An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested version v3.0.4.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01853,"percentile":0.79428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2020-09-04T15:47:32Z","modified":"2026-06-17T03:06:11Z","exploits":[{"source":"exploitdb","id":"EDB-49122","title":"Best Support System 3.0.4 - 'ticket_body' Persistent XSS (Authenticated)","type":"webapps","platform":"php","date":"2020-11-27","url":"https://www.exploit-db.com/exploits/49122"}],"products":[{"vendor":"appsbd","product":"best_support_system"}],"references":[{"url":"https://medium.com/%40ex.mi/php-best-support-system-v3-0-4-authenticated-persistent-xss-dfe6d4a06f75","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://ex-mi.ru/exploit/%5B2020-08-23%5D-%5BPHP%5D-best-support-system-v3.0.4.txt","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-24963"},{"url":"https://ex-mi.ru/exploit/[2020-08-23]-[PHP]-best-support-system-v3.0.4.txt"},{"url":"https://ex-mi.ru/exploit/[2020-08-23]-{PHP]-best-support-system-v3.0.4.txt"},{"url":"https://medium.com/@ex.mi/php-best-support-system-v3-0-4-authenticated-persistent-xss-dfe6d4a06f75"},{"url":"https://github.com/advisories/GHSA-2fmg-qfp6-p727"}],"sources":{"cve":[{"id":"CVE-2020-24963","description":"An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested version v3.0.4.","status":"published","published":"2020-09-04T15:47:32Z","modified":"2024-08-04T15:26:08.759Z","updated_at":"2026-11-02T14:35:54.170199Z"}],"euvd":[{"id":"EUVD-2020-17663","description":"An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested version v3.0.4.","status":"published","published":"2020-09-04T15:47:32Z","modified":"2024-08-04T15:26:08Z","updated_at":"2026-11-03T03:07:18.658916Z"}],"ghsa":[{"id":"GHSA-2fmg-qfp6-p727","title":"An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested...","description":"An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested version v3.0.4.","status":"published","published":"2022-05-24T17:27:24Z","modified":"2023-01-29T05:03:45Z","updated_at":"2026-11-02T14:45:23.726919Z"}],"nvd":[{"id":"CVE-2020-24963","description":"An Authenticated Persistent XSS vulnerability was discovered in the Best Support System, tested version v3.0.4.","status":"published","published":"2020-09-04T16:15:10.167Z","modified":"2026-06-17T03:06:11.457Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:14.981587Z"}]}}