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 (4639)
A vulnerability classified as critical was found in PHPGurukul e-Diary 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 classified as critical has been found in Campcodes Online Food Ordering 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 Campcodes Online Food Ordering 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 Apartment Visitors 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 SourceCodester Online College Library 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 Campcodes Sales and Inventory System 1.0 and classified as critical.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 has been found in Campcodes Sales and Inventory 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, has been found in Campcodes Online Food Ordering 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 Campcodes Online Food Ordering 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 classified as critical has been found in Campcodes Online Food Ordering 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 Campcodes Online Food Ordering 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 itsourcecode Gym 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 itsourcecode Gym 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 itsourcecode Gym Management System 1.0 and classified as critical.php?action=delete_plan. 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 itsourcecode Gym Management 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 itsourcecode Gym 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 itsourcecode Gym 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 classified as critical was found in Project Worlds Student Project Allocation 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 SourceCodester Apartment Visitor 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.
SourceCodester Client Database Management System 1.0 is vulnerable to SQL Injection in user_payment_update.php via the order_id POST parameter. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SourceCodester Client Database Management System 1.0 is vulnerable to SQL Injection in user_delivery_update.php via the order_id POST parameter. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SourceCodester Client Database Management System 1.0 is vulnerable to SQL Injection in user_order_customer_update.php via the order_id POST parameter. 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.
SourceCodester Client Database Management System 1.0 is vulnerable to SQL Injection in superadmin_phpmyadmin.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.
PHPGURUKUL Vehicle Parking Management System v1.13 is vulnerable to SQL injection in the /vpms/users/login.php file. 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 SourceCodester Online Student Clearance 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 itsourcecode Gym 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 itsourcecode Gym Management 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 has been found in itsourcecode Gym Management 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 itsourcecode Gym 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 code-projects Patient Record 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 Patient Record 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 was found in Project Worlds Car Rental Project 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 Project Worlds Car Rental Project 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.
Slims (Senayan Library Management Systems) 9 Bulian 9.6.1 is vulnerable to SQL Injection in admin/modules/bibliography/pop_author_edit.php. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Slims (Senayan Library Management Systems) 9 Bulian 9.6.1 is vulnerable to SQL Injection in admin/modules/master_file/author.php. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Slims (Senayan Library Management Systems) 9 Bulian 9.6.1 is vulnerable to SQL Injection in admin/modules/master_file/item_status.php. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
WeGIA is a web manager for charitable institutions. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Productive Minds Productive Commerce allows SQL Injection.1.22. 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 ELEXtensions ELEX Product Feed for WooCommerce allows SQL Injection.1.2. 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 YayCommerce YaySMTP allows Blind SQL Injection.6.4. 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 acowebs Dynamic Pricing With Discount Rules for WooCommerce allows Blind SQL Injection.5.8. 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 wpdever Cart tracking for WooCommerce allows SQL Injection.0.17. 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 add-ons.org PDF Invoices for WooCommerce + Drag and Drop Template Builder allows SQL. 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 Rustaurius Ultimate WP Mail allows SQL Injection.3.4. 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 TrackShip TrackShip for WooCommerce allows SQL Injection.9.1. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
SQL Injection vulnerability in lemeconsultoria HCM galera.app v.4.58.0 allows an attacker to execute arbitrary code via the Data export, filters functions. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in BOINC Server allows Stored XSS.4.5. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
The PGS Core plugin for WordPress is vulnerable to SQL Injection via the 'event' parameter in the 'save_header_builder' function in all versions up to, and including, 5.8.0 due to insufficient. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SeaCMS v13.3 was discovered to contain a SQL injection vulnerability via the component admin_comment_news.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, which was classified as critical, has been found in itsourcecode Gym Management System 1.0.php?action=end_membership. 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 itsourcecode Gym 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 classified as critical has been found in PHPGurukul Company Visitor Management System 2.0. 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 itsourcecode Gym 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 classified as critical was found in itsourcecode Gym 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 classified as critical has been found in PHPGurukul Company Visitor Management System 2.0. 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, was found in Brilliance Golden Link Secondary System up to 20250424. 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 Brilliance Golden Link Secondary System up to 20250424.htm. 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 in TCMAN's GIM v11. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SQL injection in TCMAN's GIM v11. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SQL injection in TCMAN's GIM v11. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SQL injection in TCMAN's GIM v11. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SQL injection in TCMAN's GIM v11. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Depicter Slider & Popup Builder WordPress plugin through version 3.6.1 contains an unauthenticated SQL injection via the 's' search parameter. The insufficient escaping allows attackers to append additional SQL queries, extracting the entire WordPress database without authentication.
A vulnerability was found in PHPGurukul Company Visitor Management System 2.0 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 classified as critical was found in SourceCodester Online Student Clearance 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 has been found in SourceCodester Advanced Web Store 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 SourceCodester Advanced Web 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.
A vulnerability, which was classified as critical, has been found in SourceCodester Advanced Web Store 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 itsourcecode Content 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 Art Gallery Management System 1.1. 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 Art Gallery Management System 1.1. 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 Art Gallery Management System 1.1. 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 Nipah Virus Testing Management System 1.0 and classified as critical.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, which was classified as critical, was found in PHPGurukul Cyber Cafe 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 PHPGurukul Human Metapneumovirus Testing 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 classified as critical was found in itsourcecode Content 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 classified as critical has been found in itsourcecode Content 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 Men Salon Management System 2.0. 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.
SeaCMS v13.3 was discovered to contain a SQL injection vulnerability via the component admin_topic.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.
SeaCMS v13.3 was discovered to contain a SQL injection vulnerability via the component admin_manager.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 SourceCodester/oretnom23 Stock Management System 1.0 and classified as critical.php?f=login. 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.
foxcms v1.2.5 was discovered to contain a SQL injection vulnerability via the executeCommand method in DataBackup.php. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
kashipara Online Service Management Portal V1.0 is vulnerable to SQL Injection in osms/Requester/CheckStatus.php via the checkid parameter. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
kashipara Online Service Management Portal V1.0 is vulnerable to SQL Injection in /osms/Requester/Requesterchangepass.php via the parameter: rPassword. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A SQL injection vulnerability in the "Search" functionality of "tickets.php" page in osTicket <=1.17.5 allows authenticated attackers to execute arbitrary SQL commands via the "keywords" and. Rated medium severity (CVSS 6.5), 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 SourceCodester/oretnom23 Stock Management System 1.0. Rated medium severity (CVSS 5.1), 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 Notice Board 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 classified as critical was found in PHPGurukul Emergency Ambulance Hiring Portal 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 PHPGurukul Emergency Ambulance Hiring Portal 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 Online DJ Booking 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.
Quick Facts
- Typical Severity
- HIGH
- Category
- web
- Total CVEs
- 4639