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 (16093)
A vulnerability was found in code-projects Online Faculty Clearance 1.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in code-projects Online Faculty Clearance 1.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in code-projects Faculty Management System 1.0 and classified as critical.php. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been found in Blood Bank & Donor Management 5.6 and classified as critical. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
In PHPGurukul Art Gallery Management System v1.1, "Update Artist Image" functionality of "imageid" parameter is vulnerable to SQL Injection. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
SQL Injection vulnerability in oretnom23 Judging Management System v1.0, allows remote attackers to execute arbitrary code and obtain sensitive information via sub_event_id parameter in. 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 oretnom23 Judging Management System v1.0, allows remote attackers to execute arbitrary code and obtain sensitive information via txtsearch parameter in. 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 oretnom23 Judging Management System v1.0, allows remote attackers to execute arbitrary code and obtain sensitive information via sub_event_id parameter in. 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 Weitong Mall 1.0.0. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in ForU CMS up to 2020-06-23.php. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Nginx-UI is an online statistics for Server Indicators Monitor CPU usage, memory usage, load average, and disk usage in real-time. Rated high severity (CVSS 7.0), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.
The LearnPress plugin for WordPress is vulnerable to time-based SQL Injection via the ‘order_by’ parameter in all versions up to, and including, 4.2.5.7 due to insufficient escaping on the user. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 82.3%.
Wuzhicms v4.1.0 was discovered to contain a SQL injection vulnerability via the $keywords parameter at /core/admin/copyfrom.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, was found in SourceCodester Student Attendance System 1.0. Rated medium severity (CVSS 6.3), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
The vulnerability allows a remote unauthenticated attacker to read arbitrary content of the results database via a crafted HTTP request. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The vulnerability allows a remote unauthenticated attacker to read arbitrary content of the results database via a crafted HTTP request. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The vulnerability allows a remote unauthenticated attacker to read arbitrary content of the results database via a crafted HTTP request. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The vulnerability allows a remote authenticated attacker to read or update arbitrary content of the authentication database via a crafted HTTP request. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A Time-Based SQL Injection vulnerability was discovered in Hospital Management System V4.0 which can allow an attacker to dump database information via a special payload in the 'Doctor. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A Time-Based SQL Injection vulnerability was discovered in Hospital Management System V4.0 which can allow an attacker to dump database information via a crafted payload entered into the 'Admin. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
SEMCMS v4.8 was discovered to contain a SQL injection vulnerability via the languageID parameter in /web_inc.php. Rated high severity (CVSS 7.5), 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 PHPGurukul Hospital Management System 1.0. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability, which was classified as critical, has been found in PHPGurukul Hospital Management System 1.0. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical was found in PHPGurukul Hospital Management System 1.0. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability classified as critical has been found in PHPGurukul Hospital Management System 1.0. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in PHPGurukul Hospital Management System 1.0. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in code-projects Simple Online Hotel Reservation System 1.0. Rated high severity (CVSS 7.3), 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 coderd-repos Eva 1.0.0 and classified as critical. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, was found in PHPGurukul Dairy Farm Shop Management System up to 1.1. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as critical, has been found in soxft TimeMail up to 1.1. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability classified as critical has been found in Inis up to 2.0.1. Rated medium severity (CVSS 6.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An unspecified SQL Injection vulnerability in Ivanti Endpoint Manager released prior to 2022 SU 5 allows an attacker with access to the internal network to execute arbitrary SQL queries and retrieve. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
SQL injection vulnerability in EmpireCMS v7.5, allows remote attackers to execute arbitrary code and obtain sensitive information via the DoExecSql function. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
SQL injection in pTypeConverter WordPress plugin.
SQL injection in Events Shortcodes For The Events Calendar WordPress plugin.
SQL injection in Randomize WordPress plugin through 1.4.3.
SQL injection in Simple Inventory Management WordPress plugin by UkrSolution.
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in weDevs WP ERP | Complete HR solution with recruitment & job listings | WooCommerce CRM &. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Blind SQL Injection vulnerability in PrestaShow Google Integrator (PrestaShop addon) allows for data extraction and modification. 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 Kashipara Dynamic Lab Management System up to 1.0. Rated high severity (CVSS 7.3), 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 Kashipara Dynamic Lab Management System up to 1.0. Rated high severity (CVSS 7.3), 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 fhs-opensource iparking 1.5.22.RELEASE. Rated medium severity (CVSS 6.3), 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 Kashipara Food Management System 1.0.php. Rated medium severity (CVSS 6.3), 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 Kashipara Food Management System 1.0. Rated medium severity (CVSS 6.3), 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 Kashipara Food Management System 1.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Kashipara Food Management System 1.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Kashipara Food Management System up to 1.0 and classified as critical. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability has been found in Kashipara Food Management System up to 1.0 and classified as critical. Rated medium severity (CVSS 6.3), 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 Kashipara Food Management System up to 1.0. Rated medium severity (CVSS 6.3), 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 Kashipara Food Management System up to 1.0.php. Rated medium severity (CVSS 6.3), 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 Kashipara Food Management System up to 1.0. Rated medium severity (CVSS 6.3), 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 Kashipara Food Management System up to 1.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Kashipara Food Management System up to 1.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Kashipara Food Management System up to 1.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Kashipara Food Management System up to 1.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability was found in Kashipara Food Management System up to 1.0 and classified as critical.php. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability has been found in Kashipara Food Management System up to 1.0 and classified as critical. Rated medium severity (CVSS 6.3), 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 Kashipara Food Management System up to 1.0. Rated medium severity (CVSS 6.3), 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 Kashipara Hospital Management System up to 1.0. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability classified as critical was found in Kashipara Hospital Management System up to 1.0. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SQL Injection vulnerability in ABO.CMS v.5.9.3, allows remote attackers to execute arbitrary code via the d parameter in the Documents module. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SQL Injection vulnerability in Dzzoffice version 2.01, allows remote attackers to obtain sensitive information via the doobj and doevent parameters in the Network Disk backend module. Rated medium severity (CVSS 6.5), 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 CodeAstro Online Food Ordering System 1.0. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A SQL injection vulnerability has been reported to affect QuMagie. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A SQL injection vulnerability has been reported to affect Video Station. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SQL Injection vulnerability in Buy Addons baproductzoommagnifier module for PrestaShop versions 1.0.16 and before, allows remote attackers to escalate privileges and gain sensitive information via. 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.
Travel Website v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Travel Website v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Travel Website v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Travel Website v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Travel Website v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Travel Website v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Online Notice Board System v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Online Notice Board System v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Online Notice Board System v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Billing Software v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Billing Software v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Billing Software v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Billing Software v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Billing Software v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Billing Software v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Billing Software v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
Billing Software v1.0 is vulnerable to multiple Unauthenticated SQL Injection vulnerabilities. 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.
The WP SMS - Messaging & SMS Notification for WordPress, WooCommerce, GravityForms, etc plugin for WordPress is vulnerable to SQL Injection via the 'group_id' parameter in all versions up to, and. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
A SQL injection vulnerability was discovered in Gila CMS 1.15.4 and earlier which allows a remote attacker to execute arbitrary web scripts via the 'user_id' parameter after the login portal. Rated low severity (CVSS 3.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A SQL injection vulnerability was discovered in Gila CMS 1.15.4 and earlier which allows a remote attacker to execute arbitrary web scripts via the ID parameter after the login portal. Rated low severity (CVSS 3.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
SQL Injection vulnerability discovered in Gila CMS 1.15.4 and earlier allows a remote attacker to execute arbitrary web scripts via the Area parameter under the Administration>Widget tab after the. Rated low severity (CVSS 3.8), 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 Ekol Informatics Website Template allows 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 SourceCodester Engineers Online Portal 1.0 and classified as critical. Rated high severity (CVSS 7.3), 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 WhileTrue Most And Least Read Posts Widget.5.16. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Quick Facts
- Typical Severity
- HIGH
- Category
- web
- Total CVEs
- 16093