High severityPHPInjectionHIGH confidence
SQL Injection Mysqli
Untrusted request input flows into a SQL query executed via mysqli/PDO, enabling SQL injection (CWE-89).
Standards mapping
- OWASP Top 10
- A03:2021 - Injection
- OWASP ASVS
- V5.3.4 (L1)
Vulnerable vs. safe
Flagged by this check
$db->query("SELECT * FROM users WHERE id = " . $id);Passes - the safe pattern
$db->query("SELECT * FROM users WHERE id = " . $id);Why it matters & how to fix it
Untrusted request input flows into a SQL query executed via mysqli/PDO, enabling SQL injection (CWE-89). Use prepared statements with bound parameters (mysqli_prepare + bind_param, or PDO::prepare + execute) and never concatenate or interpolate request data into the query string.
References
Rule ID integsec-php-sql-injection-mysqli - engine: Opengrep - license: MIT - Copyright (c) IntegSec Inc.
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