CodeIgniter vulnerabilities
We track 20 vulnerabilities in CodeIgniter products. 20 are rated high or critical, and none are known to be exploited. The most recent was published on July 28, 2025.
Latest CodeIgniter vulnerabilities
- 9.8 Critical severity
CodeIgniter4: Improper Neutralization of Special Elements used in an OS Command
CodeIgniter is a PHP full-stack web framework. A command injection vulnerability present in versions prior to 4.6.2 affects applications that use the ImageMagick handler for image processing (`imagick` as the image library) and either allow file uploads with u
- 7.5 High severity
CodeIgniter4: Uncontrolled Recursion
CodeIgniter is a PHP full-stack web framework A vulnerability was found in the Language class that allowed DoS attacks. This vulnerability can be exploited by an attacker to consume a large amount of memory on the server. Upgrade to v4.4.7 or later.
- 7.5 High severity
CodeIgniter4: Generation of Error Message Containing Sensitive Information
CodeIgniter is a PHP full-stack web framework. Prior to CodeIgniter4 version 4.4.3, if an error or exception occurs, a detailed error report is displayed even if in the production environment. As a result, confidential information may be leaked. Version 4.4.3
- 9.8 Critical severity
CodeIgniter4: Improper Control of Generation of Code
CodeIgniter is a PHP full-stack web framework. This vulnerability allows attackers to execute arbitrary code when you use Validation Placeholders. The vulnerability exists in the Validation library, and validation methods in the controller and in-model validat
- 9.8 Critical severity
CodeIgniter4: Improper Authentication
CodeIgniter is a PHP full-stack web framework. When an application uses (1) multiple session cookies (e.g., one for user pages and one for admin pages) and (2) a session handler is set to `DatabaseHandler`, `MemcachedHandler`, or `RedisHandler`, then if an att
- 7.5 High severity
CodeIgniter4: Insufficient Verification of Data Authenticity
CodeIgniter is a PHP full-stack web framework. This vulnerability may allow attackers to spoof their IP address when the server is behind a reverse proxy. This issue has been patched, please upgrade to version 4.2.11 or later, and configure `Config\App::$proxy
- 9.8 Critical severity
Codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php. Note: Multiple third parties have disputed this as not a valid vulnerability
- 9.8 Critical severity
Codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php or_not_like() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 9.8 Critical severity
Codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php or_where_in() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 9.8 Critical severity
Codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php having() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 9.8 Critical severity
Codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php like() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 9.8 Critical severity
codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php where_not_in() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 9.8 Critical severity
codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php or_like() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 9.8 Critical severity
Codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php or_where_not_in() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 9.8 Critical severity
Codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php where() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 9.8 Critical severity
Codeigniter: Improper Neutralization of Special Elements used in an SQL Command
B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php where_in() function. Note: Multiple third parties have disputed this as not a valid vulnerability.
- 8.8 High severity
shield: Cross-Site Request Forgery
Shield is an authentication and authorization framework for CodeIgniter 4. This vulnerability may allow [SameSite Attackers](https://canitakeyoursubdomain.name/) to bypass the [CodeIgniter4 CSRF protection](https://codeigniter4.github.io/userguide/libraries/se
- 8.8 High severity
CodeIgniter4: Cross-Site Request Forgery
CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework. A vulnerability in versions prior to 4.1.9 might allow remote attackers to bypass the CodeIgniter4 Cross-Site Request Forgery (CSRF) protection mechanism. Users should upgrade to ve
- 9.8 Critical severity
CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework.
CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework. Prior to version 4.1.9, an improper input validation vulnerability allows attackers to execute CLI routes via HTTP request. Version 4.1.9 contains a patch. There are currently no kn
- 9.8 Critical severity
CodeIgniter4: Deserialization of Untrusted Data
CodeIgniter is an open source PHP full-stack web framework. Deserialization of Untrusted Data was found in the `old()` function in CodeIgniter4. Remote attackers may inject auto-loadable arbitrary objects with this vulnerability, and possibly execute existing