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CVE

CWE

Training

CVE-2021-47966

Published: May 15, 2026

Modified: May 15, 2026

PUBLISHED

CVSS v3.1

8.2

HIGH

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.

Vendor	Product	Versions
Timeclock	PHP Timeclock	affected `1.04`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

References

ExploitDB-49849

exploit

Official Product Homepage

product

Product Reference

product

VulnCheck Advisory: PHP Timeclock 1.04 SQL Injection via login.php

third-party-advisory

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