fix vulnerability

Fix a specific security vulnerability with proper remediation and verification.

Steps

1. Understand the vulnerability:
2. Locate all instances of the vulnerability:
3. Implement the fix:
4. Verify the fix:
5. Check for similar vulnerabilities:
6. Document the vulnerability and fix:

Format

Vulnerability: 
Severity: <critical|high|medium|low>
Type: <injection|XSS|auth|etc>
Fix Applied: <description of change>

Rules

• Fix the root cause, not just the specific instance.
• Use proven security libraries instead of custom implementations.
• Add automated tests that check for the vulnerability.