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)
The crud-query-parser library parses query parameters from HTTP requests and converts them to database queries. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SQL injection in Ivanti Endpoint Manager before version 2024 SU1 or before version 2022 SU7 allows a remote authenticated attacker with admin privileges to achieve code execution. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The coreActivity: Activity Logging for WordPress plugin for WordPress is vulnerable to SQL Injection via the 'order' and 'orderby' parameters in all versions up to, and including, 2.7 due to. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The 3DPrint Lite plugin for WordPress is vulnerable to SQL Injection via the 'printer_text' parameter in all versions up to, and including, 2.1.3.6 due to insufficient escaping on the user supplied. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity.
The 3DPrint Lite plugin for WordPress is vulnerable to SQL Injection via the 'material_text' parameter in all versions up to, and including, 2.1.3.6 due to insufficient escaping on the user supplied. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity.
The 3DPrint Lite plugin for WordPress is vulnerable to SQL Injection via the 'coating_text' parameter in all versions up to, and including, 2.1.3.6 due to insufficient escaping on the user supplied. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity.
The 3DPrint Lite plugin for WordPress is vulnerable to SQL Injection via the 'infill_text' parameter in all versions up to, and including, 2.1.3.6 due to insufficient escaping on the user supplied. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability was found in Seeyon Zhiyuan Interconnect FE Collaborative Office Platform 5.5.2 and classified as critical.js%70. 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 ESAFENET CDG 5.6.3.154.205_20250114 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 ESAFENET CDG 5.6.3.154.205_20250114. 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 ESAFENET CDG 5.6.3.154.205_20250114. 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 DB chooser functionality in Jalios JPlatform 10 SP6 before 10.0.6 improperly neutralizes special elements used in an SQL command allows for unauthenticated users to trigger SQL Injection.0.6 and. Rated high severity (CVSS 8.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability was found in 1000 Projects Human Resource 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 Web-based Pharmacy Product 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 joey-zhou xiaozhi-esp32-server-java up to a14fe8115842ee42ab5c7a51706b8a85db5200b7 and classified as critical. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability classified as critical has been found in PHPGurukul Men Salon 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 xxyopen Novel-Plus 5.1.0. 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 PHPGurukul Men Salon 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 Old Age Home 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. No vendor patch available.
A vulnerability has been found in PHPGurukul Old Age Home 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. No vendor patch available.
A vulnerability, which was classified as critical, was found in PHPGurukul Old Age Home 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 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 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Apache Airflow Common SQL Provider. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability was found in codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 codeprojects Online Restaurant 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 godcheese/code-projects Nimrod 0.8. 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 classified as critical was found in Kenj_Frog 肯尼基蛙 company-financial-management 公司财务管理系统 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 PHPGurukul Men Salon 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 Apartment Visitor 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 SourceCodester Apartment Visitor 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 PHPGurukul Men Salon 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 Men Salon 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 PHPGurukul Men Salon 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 code-projects Blood Bank 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 Blood Bank 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.
The Broken Link Checker by AIOSEO - Easily Fix/Monitor Internal and External links plugin for WordPress is vulnerable to SQL Injection via the 'orderBy' parameter in all versions up to, and. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in code-projects Blood Bank 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 Blood Bank 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 Blood Bank 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 code-projects Patient Record Management System 1.0. Rated medium severity (CVSS 5.3), 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 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 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.
A vulnerability, which was classified as critical, has been found in SourceCodester Online Eyewear Shop 1.0.php?f=delete_customer. 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 qinguoyi TinyWebServer up to 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 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 was found in PHPGurukul Old Age Home 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.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in rocketelements Split Test For Elementor allows SQL Injection.8.2. 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 manu225 Falling things allows SQL Injection.08. 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 winkm89 teachPress allows SQL Injection.0.11. 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 Daisycon Daisycon prijsvergelijkers allows SQL Injection.8.4. 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 onOffice GmbH onOffice for WP-Websites 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 cmsMinds Pay with Contact Form 7 allows SQL Injection.0.4. 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 silvasoft Silvasoft boekhouden allows SQL Injection.0.1. 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 eleopard Behance Portfolio Manager allows Blind SQL Injection.7.4. 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 Stylemix uListing allows Blind SQL Injection.1.9. 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 SuitePlugins Video & Photo Gallery for Ultimate Member allows SQL Injection.1.3. 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 Erick Danzer Easy Query - WP Query Builder allows Blind SQL Injection.0.4. 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 shiptrack Booking Calendar and Notification allows Blind SQL Injection.0.3. 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 itsourcecode Library 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 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 e-Diary 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 PHPGurukul Online Fire Reporting System 1.2. 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 Online Fire Reporting System 1.2. 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 Online Fire Reporting System 1.2. 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 Old Age Home 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 PHPGurukul Zoo Management System 2.1. 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 Restaurant Table Booking 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 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 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 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 was found in PHPGurukul Restaurant Table Booking 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 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 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.
The Product Filter by WBW plugin for WordPress is vulnerable to time-based SQL Injection via the filtersDataBackend parameter in all versions up to, and including, 2.7.9 due to insufficient escaping. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. 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.
Quick Facts
- Typical Severity
- HIGH
- Category
- web
- Total CVEs
- 4645