Summary
A high-severity SQL injection vulnerability in the Food Donation Form allows remotely supplied input in the image-choice argument to influence database queries. An attacker who can reach the donation form may be able to read, alter, or otherwise manipulate application data when input is incorporated into SQL without adequate parameterization.
Affected context
The vulnerability occurs in the insert function of fooddonateform.php, which processes submissions from the Food Donation Form. It becomes risky when the remotely supplied image-choice value is included in database operations without being treated strictly as data, and when the application database account has broader permissions than required.
Exploit preconditions
- Attack surface: The remotely accessible Food Donation Form
- Required access: Ability to submit requests to the affected form; authentication requirements depend on deployment configuration
- Trigger point: Processing of the
image-choiceargument by theinsertfunction infooddonateform.php - Why exploitation is possible: User-controlled input can affect SQL statement interpretation when query construction does not use reliable parameter binding
Why this happens
The underlying bug is an injection flaw in which externally controlled form data is combined with SQL syntax or passed to a database operation without sufficient separation between code and data. This maps primarily to CWE-89: Improper Neutralization of Special Elements used in an SQL Command (SQL Injection). The broader CWE-74 classification reflects the unsafe handling of input that changes the meaning of an interpreted command.
Potential impact
- An attacker may read sensitive records from the application database
- An attacker could modify, delete, or corrupt donation and user data
- The vulnerability may enable unauthorized database actions through the application's privileges
- Exposed records could contribute to privacy violations or further attacks
- Database disruption could affect food donation workflows and application availability
General mitigation guidance
Mitigation generally focuses on ensuring that all database operations treat request values as data rather than executable query syntax.
Common defensive patterns include:
- Use parameterized queries or prepared statements for every database operation
- Apply allowlist validation for fields with a limited set of valid values
- Avoid building SQL statements through string concatenation
- Use a database account with only the permissions required by the application
- Add consistent server-side validation rather than relying on client-side controls
- Limit database exposure and protect sensitive records through appropriate access controls
- Return generic error messages so database details are not disclosed
How teams detect issues like this
Organizations can identify similar issues through:
- Static analysis rules that flag SQL string concatenation involving request parameters
- Code review checks for direct use of form, query-string, or cookie values in database calls
- Dynamic testing of form inputs with harmless SQL metacharacters and error-based indicators
- Runtime monitoring for anomalous queries, repeated database errors, and unusual record access
- Policy enforcement requiring prepared statements or approved database abstraction layers
- Automated security scanning and code-review tools configured to detect injection patterns
