CVE-2021-47966
PHP Timeclock 1.04 contains time-based and boolean-based blind SQL injection vulnerabilities in the login_userid parameter of login.php that allows unauthenticated attackers to extract database contents. Attackers can submit crafted POST requests with SQL payloads using SLEEP functions or RLIKE conditional statements to dump sensitive database information including employee names and credentials.
- Score
- CVSS 4.0 8.8 High
- Status
- Deferred - disclosure@vulncheck.com
- Published
- 2026-05-15
- Last modified
- 2026-05-15
- Weaknesses
- CWE-89
Affected products
References
- http://timeclock.sourceforge.net
- https://sourceforge.net/projects/timeclock/files/PHP%20Timeclock/PHP%20Timeclock%201.04/
- https://www.exploit-db.com/exploits/49849
- https://www.vulncheck.com/advisories/php-timeclock-sql-injection-via-login-php
