SQL Injection
SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.
How It Works
SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements. When developers concatenate untrusted data into queries without proper sanitization, attackers can inject SQL syntax that changes the query's logic. For example, entering ' OR '1'='1 into a login form might transform SELECT * FROM users WHERE username='input' into a query that always returns true, bypassing authentication.
Attackers follow a methodical process: first probing input fields with special characters like quotes or semicolons to trigger database errors, then identifying whether the application is vulnerable. Once confirmed, they escalate by injecting commands to extract data (UNION-based attacks to merge results from other tables), manipulate records, or probe the database structure. Blind SQL injection variants work without visible error messages—boolean-based attacks infer data by observing application behavior changes, while time-based attacks use database sleep functions to confirm successful injection through response delays.
Advanced scenarios include second-order injection, where malicious input is stored in the database and later executed in a different context, and out-of-band attacks that exfiltrate data through DNS queries or HTTP requests when direct data retrieval isn't possible. Some database systems enable attackers to execute operating system commands through built-in functions like MySQL's LOAD_FILE or SQL Server's xp_cmdshell, escalating from database compromise to full server control.
Impact
- Complete data breach — extraction of entire database contents including credentials, personal information, and proprietary data
- Authentication bypass — logging in as any user without knowing passwords
- Data manipulation — unauthorized modification or deletion of critical records
- Privilege escalation — granting administrative rights to attacker-controlled accounts
- Remote code execution — leveraging database features to run operating system commands and compromise the underlying server
- Lateral movement — using compromised database credentials to access other connected systems
Real-World Examples
FreePBX's CVE-2025-66039 demonstrated a complete attack chain where SQL injection across 11 parameters in four different endpoints allowed attackers to write malicious entries into the cron_jobs table. When the system's scheduler executed these entries, the injected SQL transformed into operating system commands, granting full server control. The vulnerability required no authentication, making it immediately exploitable.
E-commerce platforms have suffered massive breaches through shopping cart SQL injection, where attackers inserted skimming code into stored procedures that executed during checkout, harvesting credit card data from thousands of transactions. Healthcare systems have been compromised through patient portal vulnerabilities, exposing millions of medical records when attackers injected UNION queries to merge data from supposedly isolated tables.
Mitigation
- Parameterized queries (prepared statements) — separates SQL logic from data, making injection syntactically impossible
- Object-Relational Mapping (ORM) frameworks — abstracts database interactions with built-in protections when used correctly
- Strict input validation — whitelist acceptable characters and formats, reject suspicious patterns
- Least privilege database accounts — applications should use credentials with minimal necessary permissions
- Web Application Firewall (WAF) — detects and blocks common injection patterns as a secondary defense layer
- Database activity monitoring — alerts on unusual query patterns or privilege escalation attempts
Recent CVEs (16092)
A vulnerability, which was classified as critical, was found in code-projects Responsive Hotel Site 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in code-projects Travel Management System 1.0.php. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in TMD Custom Header Menu 4.0.0.1 on OpenCart. Rated low severity (CVSS 2.1), this vulnerability is remotely exploitable. No vendor patch available.
A vulnerability was found in Campcodes Student Grading System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
IBM Engineering Lifecycle Optimization - Publishing 7.0.2 and 7.0.3 is vulnerable to SQL injection. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been found in Campcodes School Faculty Scheduling System 1.0 and classified as critical. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, was found in code-projects Online Shoe Store 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in code-projects Online Shoe Store 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
The WP Project Manager - Task, team, and project management plugin featuring kanban board and gantt charts plugin for WordPress is vulnerable to SQL Injection via the 'project_id' parameter of the. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability classified as critical has been found in code-projects Online Shoe Store 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Online Shoe Store 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Student Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Point of Sales and Inventory Management System 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability has been found in code-projects Point of Sales and Inventory Management System 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, was found in code-projects Point of Sales and Inventory Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in code-projects Point of Sales and Inventory Management System 1.0.php. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical was found in code-projects Point of Sales and Inventory Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical has been found in code-projects Point of Sales and Inventory Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Point of Sales and Inventory Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
SQL Injection vulnerability in Silverpeas 6.4.1 allows a remote attacker to obtain sensitive information via the ViewType parameter of the findbywhereclause function. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
A vulnerability was found in code-projects Point of Sales and Inventory Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Point of Sales and Inventory Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in SourceCodester Online Eyewear Shop 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability has been found in code-projects Chat System 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, was found in code-projects Chat System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in GregRoss Just Writing Statistics allows SQL Injection.7. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in AF themes WP Post Author allows SQL Injection.8.2. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability, which was classified as critical, has been found in code-projects Job Recruitment 1.0.php of the component Seeker Profile Handler. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical was found in code-projects Job Recruitment 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Landray EIS 2001 through 2006 allows Message/fi_message_receiver.aspx?replyid= SQL injection. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability classified as critical has been found in code-projects Job Recruitment 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in PHPGurukul Land Record System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability classified as critical was found in PHPGurukul Land Record System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in PHPGurukul Land Record System 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability has been found in PHPGurukul Land Record System 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in 1000 Projects Beauty Parlour Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in CodeAstro Online Food Ordering System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in VibeThemes WPLMS wplms_plugin allows SQL Injection.9.9.5.3. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in VibeThemes VibeBP vibebp allows SQL Injection.9.9.5.1. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in VibeThemes VibeBP vibebp allows SQL Injection.9.9.7.7. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in DeluxeThemes Userpro userpro.1.9. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Tasklists provides plugin tasklists for GLPI. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This SQL Injection vulnerability could allow attackers to execute arbitrary SQL commands against the database.
Veritas / Arctera Data Insight before 7.1.1 allows Application Administrators to conduct SQL injection attacks. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Tecnick TCExam - CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection'). Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in code-projects Simple Chat System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in CodeAstro Simple Loan Management System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in 1000 Projects Attendance Tracking Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Chat System 1.0 and classified as critical.php. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been found in code-projects Chat System 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in Codezips College Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Codezips Blood Bank Management System 1.0 and classified as critical.php. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical was found in code-projects Chat System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in PHPGurukul Maid Hiring Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been found in PHPGurukul Maid Hiring Management System 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been found in code-projects Responsive Hotel Site 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, was found in Codezips Event Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in 1000 Projects Human Resource Management System 1.0.php. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical was found in 1000 Projects Attendance Tracking Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical has been found in PHPGurukul Complaint Management System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in 1000 Projects Portfolio Management System MCA 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in 1000 Projects Bookstore Management System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in PHPGurukul Small CRM 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in PHPGurukul Small CRM 1.0 and classified as critical.php. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability has been found in PHPGurukul Small CRM 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
SQL injection vulnerability in Smart Agent v.1.1.0 allows a remote attacker to execute arbitrary code via the client parameter in the /recuperaLog.php component. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
SQL injection vulnerability in Smart Agent v.1.1.0 allows a remote attacker to execute arbitrary code via the id parameter in the /sendPushManually.php component. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
SmartAgent v1.1.0 was discovered to contain a SQL injection vulnerability via the id parameter at /tests/interface.php. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in CodeAstro Car Rental System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability has been found in code-projects Job Recruitment 1.0 and classified as critical. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, was found in PHPGurukul Complaint Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in CodeZips Hospital Management System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in code-projects Hospital Management System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Fields is a GLPI plugin that allows users to add custom fields on GLPI items forms. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability classified as critical was found in code-projects Job Recruitment 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical has been found in code-projects Job Recruitment 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Job Recruitment 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in 1000 Projects Portfolio Management System MCA 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in 1000 Projects Daily College Class Work Report Book 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Job Recruitment 1.0 and classified as critical. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability has been found in code-projects Job Recruitment 1.0 and classified as critical. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, was found in 1000 Projects Portfolio Management System MCA 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in 1000 Projects Portfolio Management System MCA 1.0.php. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical was found in 1000 Projects Portfolio Management System MCA 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical has been found in 1000 Projects Portfolio Management System MCA 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects/projectworlds Travel Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in code-projects Travel Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in code-projects Travel Management System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in Codezips Hospital Management System 1.0 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in 1000 Projects Attendance Tracking Management System 1.0.php. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical was found in code-projects Simple Car Rental System 1.0. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Quick Facts
- Typical Severity
- HIGH
- Category
- web
- Total CVEs
- 16092