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High · 8.2 CVE-2021-47966 EUVD-2021-34819GHSA-c527-x2v3-x59w

PHP Timeclock 1.04 SQL Injection via login.php

Published May 15, 2026 · Updated May 15, 2026 · Assigned by VulnCheck

Description

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.

Affected products

VendorProductAffectedFixed
Timeclock PHP Timeclock 1.04 —

References