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 (4645)
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in TeleControl Server Basic (All versions < V3.1.2.2). Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Sourcecodester Online ID Generator System 1.0 was discovered to contain a SQL injection vulnerability via the template parameter at id_generator/admin/?page=generate&template=4. 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 Online ID Generator System 1.0 was discovered to contain a SQL injection vulnerability via the id parameter at id_generator/admin/?page=generate/index&id=1. 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 Online ID Generator System 1.0 was discovered to contain a SQL injection vulnerability via the id parameter at id_generator/admin/?page=templates/manage_template&id=1. Rated medium severity (CVSS 5.9), this vulnerability is 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 Web-based Pharmacy Product 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 SourceCodester Web-based Pharmacy Product 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 SourceCodester Web-based Pharmacy Product 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 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 PHPGurukul Men Salon 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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Bob Hostel allows Blind SQL Injection.1.5.6. 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 RedefiningTheWeb BMA Lite allows SQL Injection.4.2. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Improper neutralization of input provided by a low-privileged user into a file search functionality in Ready_'s Invoices module allows for SQL Injection attacks. Rated critical severity (CVSS 9.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability classified as critical has been 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 Xianqi Kindergarten Management System 2.0 Bulid 20190808. 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 xxyopen Novel-Plus 3.5.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Shopware prior to version 6.5.8.13 is affected by a SQL injection vulnerability in the /api/search/order endpoint. Rated medium severity (CVSS 6.8), 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 Gurmehub Kargo Entegratör allows SQL Injection.1.14. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A SQL Injection vulnerability in dingfanzuCMS v.1.0 allows a attacker to execute arbitrary code via not filtering the content correctly at the "operateOrder.php" id 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.
A SQL injection vulnerability in Hitout car sale 1.0 allows a remote attacker to obtain sensitive information via the orderBy parameter of the StoreController.java component. Rated medium severity (CVSS 5.9), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Vision Helpdesk through 5.7.0 allows Time-Based Blind SQL injection via the Forgot Password (aka index.php?/home/forgot-password) vis_username parameter. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The TS Poll - Survey, Versus Poll, Image Poll, Video Poll plugin for WordPress is vulnerable to SQL Injection via the s parameter in all versions up to, and including, 2.4.6 due to insufficient. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability, which was classified as critical, was found in SourceCodester Music Class Enrollment 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 SicommNet BASEC (SaaS Service) login page allows an unauthenticated remote attacker to Bypass. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in Fannuo Enterprise Content Management System 凡诺企业网站管理系统 1.1/4.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been found in ghostxbh uzy-ssm-mall 1.0.0 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 phpshe 1.8. 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 PowerCreator CMS 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Cost Calculator Builder plugin for WordPress is vulnerable to time-based SQL Injection via the ‘order_ids’ parameter in all versions up to, and including, 3.2.67 due to insufficient escaping on. Rated medium severity (CVSS 6.5), 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 WP Guru Error Log Viewer allows Blind SQL Injection.0.5. 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 Ability, Inc Accessibility Suite by Online ADA allows SQL Injection.18. 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 PickPlugins Wishlist allows SQL Injection.0.43. 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 HK WP Online Users Stats allows Blind SQL Injection.0.0. 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 dev02ali Easy Post Duplicator allows SQL Injection.0.1. 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 vertim Neon Product Designer allows SQL Injection.1.1. 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 ketanajani Duplicate Title Checker allows Blind SQL Injection.2. 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 N-Media Bulk Product Sync allows SQL Injection.6. 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 WPSmartContracts WPSmartContracts allows Blind SQL Injection.0.10. 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 Magnigenie Review Stars Count For WooCommerce allows SQL Injection.0. 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 aaronfrey Nearby Locations allows SQL Injection.1.1. 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 CardGate CardGate Payments for WooCommerce allows Blind SQL Injection.2.1. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Accredible Certificates & Open Badges plugin for WordPress is vulnerable to time-based SQL Injection via the ‘orderby’ parameter in all versions up to, and including, 1.4.9 due to insufficient. Rated medium severity (CVSS 4.9), 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 Aristo Rinjuang WP Inquiries allows SQL Injection.2.1. 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 solwininfotech WP Social Stream Designer allows Blind SQL Injection.3. 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 Picture-Planet GmbH Verowa Connect allows Blind SQL Injection.0.5. 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 ClickandPledge Click & Pledge Connect Plugin allows SQL Injection.24080000 through WP6.6.1. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Cross-Site Request Forgery (CSRF) vulnerability in gtlwpdev All push notification for WP allows Blind SQL Injection.5.3. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
horvey Library-Manager v1.0 is vulnerable to SQL Injection in Admin/Controller/BookController.class.php. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
jerryhanjj ERP 1.0 is vulnerable to SQL Injection in the set_password function in application/controllers/home.php. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Flowise <= 2.2.3 is vulnerable to SQL Injection. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Improper handling of identifiers lead to a SQL injection vulnerability in the quoteNameStr method of the database package. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Quick Facts
- Typical Severity
- HIGH
- Category
- web
- Total CVEs
- 4645