PT-2026-41345 · Timeclock · Php Timeclock

Tyler Butler · Published 2026-05-15 · Updated 2026-05-15 · CVE-2021-47966

NVD

CVSS v3.1

8.2

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

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.

Exploit

Fix

SQL injection

Weakness Enumeration

CWE-89

Related Identifiers

CVE-2021-47966

Affected Products

Php Timeclock

References · 5

• 🔥 https://exploit-db.com/exploits/49849 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47966 · Security Note
• https://vulncheck.com/advisories/php-timeclock-sql-injection-via-login-php · Note
• http://timeclock.sourceforge.net · Note
• https://sourceforge.net/projects/timeclock/files/PHP%20Timeclock/PHP%20Timeclock%201.04 · Note