CVE-2021-47966 (GCVE-0-2021-47966)
Vulnerability from cvelistv5 – Published: 2026-05-15 18:36 – Updated: 2026-05-15 22:22
VLAI
EPSS
VEX
Title
PHP Timeclock 1.04 SQL Injection via login.php
Summary
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.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-15 22:12 UTC
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://www.exploit-db.com/exploits/49849 | exploit |
| http://timeclock.sourceforge.net | product |
| https://sourceforge.net/projects/timeclock/files/… | product |
| https://www.vulncheck.com/advisories/php-timecloc… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Timeclock | PHP Timeclock |
Affected:
1.04
|
guessed |
Date Public
2021-05-03 00:00
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