{"cve":"CVE-2021-28423","nvd":{"published":"2021-07-01T15:15:08.153","modified":"2026-06-17T03:46:19.850","status":"Modified","description":"Multiple SQL Injection vulnerabilities in Teachers Record Management System 1.0 thru 2.1 allow remote authenticated users to execute arbitrary SQL commands via the 'editid' GET parameter in edit-subjects-detail.php, edit-teacher-detail.php, or the 'searchdata' POST parameter in search.php.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-89"],"references":["https://nhattruong.blog/2021/05/22/cve-2021-28423-teachers-record-management-system-1-0-searchdata-error-based-sql-injection-authenticated/","https://packetstormsecurity.com/files/163172/Teachers-Record-Management-System-1.0-SQL-Injection.html","https://phpgurukul.com/teachers-record-management-system-using-php-and-mysql/","https://www.exploit-db.com/exploits/50018","https://nhattruong.blog/2021/05/22/cve-2021-28423-teachers-record-management-system-1-0-searchdata-error-based-sql-injection-authenticated/"],"products":["phpgurukul:teachers_record_management_system"],"source":"nvd","synced_at":"2026-10-19T21:20:07.141963181+00:00"},"epss":{"cve":"CVE-2021-28423","score":0.02578,"percentile":0.85208,"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."]}