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# 🔒 Security Audit - Remaining Issues
**Date:** 2025-12-02
**Status:** ⚠️ **REVIEW NEEDED**
## 📊 Security Status Summary
### ✅ **FIXED (Critical)**
1. ✅ SQL Injection - All ID parameters validated
2. ✅ Path Traversal - All file handlers protected
3. ✅ CSRF Protection - Critical forms protected (`create_lyrics.php`, `create_music.php`)
4. ✅ Security Headers - Basic headers implemented
### ⚠️ **REMAINING ISSUES (Medium Priority)**
## 1. Content Security Policy (CSP) - Missing
**Status:** ⚠️ Not implemented in `includes/security.php`
**Current:**
- Security headers are set, but CSP is missing
- CSP is defined in `security_fixes.php` but not used
**Impact:** Medium - Helps prevent XSS attacks
**Recommendation:**
Add CSP header to `includes/security.php`:
```php
header('Content-Security-Policy: default-src \'self\'; script-src \'self\' \'unsafe-inline\' https://js.stripe.com; style-src \'self\' \'unsafe-inline\'; img-src \'self\' data: https:; font-src \'self\' data:; connect-src \'self\' https://api.stripe.com;');
```
**Note:** CSP may need adjustment based on actual external resources used.
## 2. File Upload Security - Needs Enhancement
**Status:** ⚠️ Basic validation exists, but could be improved
**Files with Upload Handlers:**
- ✅ `api_social.php` - Has basic validation (type, size)
- ✅ `api/upload_profile_image.php` - Has validation
- ✅ `api/upload_cover_image.php` - Has validation
- ⚠️ `api_events.php` - Has validation but could use centralized function
- ⚠️ `create_vocal_removal.php` - Basic validation
- ⚠️ `create_track_extension.php` - Basic validation
- ⚠️ `create_music_video.php` - Basic validation
- ⚠️ `create_wav_conversion.php` - Basic validation
**Current Issues:**
1. **No centralized validation function** - Each handler validates differently
2. **MIME type validation** - Some use `$_FILES['type']` which can be spoofed
3. **Filename sanitization** - Some don't sanitize filenames properly
4. **No virus scanning** - No malware detection
**Recommendations:**
1. Use `validateFileUpload()` from `security_fixes.php` or create enhanced version
2. Use `finfo_file()` for MIME type detection (more secure than `$_FILES['type']`)
3. Sanitize filenames: `preg_replace('/[^a-zA-Z0-9._-]/', '', $filename)`
4. Add file content validation (check actual file headers, not just extension)
**Example Enhanced Validation:**
```php
function validateFileUpload($file, $allowedTypes = ['jpg', 'jpeg', 'png', 'gif'], $maxSize = 5242880) {
// Check upload error
if (!isset($file['tmp_name']) || !is_uploaded_file($file['tmp_name'])) {
return false;
}
// Check file size
if ($file['size'] > $maxSize) {
return false;
}
// Use finfo for MIME type (more secure)
$finfo = finfo_open(FILEINFO_MIME_TYPE);
$mimeType = finfo_file($finfo, $file['tmp_name']);
finfo_close($finfo);
$allowedMimes = [
'image/jpeg' => ['jpg', 'jpeg'],
'image/png' => ['png'],
'image/gif' => ['gif'],
'image/webp' => ['webp']
];
if (!isset($allowedMimes[$mimeType])) {
return false;
}
// Validate extension matches MIME type
$extension = strtolower(pathinfo($file['name'], PATHINFO_EXTENSION));
if (!in_array($extension, $allowedMimes[$mimeType])) {
return false;
}
// Sanitize filename
$filename = preg_replace('/[^a-zA-Z0-9._-]/', '', $file['name']);
return ['valid' => true, 'mime' => $mimeType, 'filename' => $filename];
}
```
## 3. CSRF Protection - Incomplete Coverage
**Status:** ⚠️ Critical forms fixed, but others remain
**Fixed:**
- ✅ `create_lyrics.php`
- ✅ `create_music.php`
- ✅ `contact.php`
**Still Need Protection:**
- ⚠️ `auth/login.php`
- ⚠️ `auth/register.php`
- ⚠️ `auth/forgot_password.php`
- ⚠️ `auth/reset_password.php`
- ⚠️ `admin_includes/email_management.php`
- ⚠️ `admin_includes/site_settings.php`
- ⚠️ `library.php` (edit track form)
- ⚠️ Other admin forms
**Priority:** Medium (auth forms have other protections like rate limiting)
## 4. Error Information Disclosure
**Status:** ⚠️ Some files may expose errors
**Files with Potential Issues:**
- `create_music.php` - Logs POST data (line 24) - OK for logs, but ensure not displayed
- `api_social.php` - Logs POST data (line 749) - OK for logs
- `test_create_music.php` - Echoes POST data - Should be removed or protected
**Recommendations:**
1. Ensure `error_reporting(0)` and `ini_set('display_errors', 0)` in production
2. Remove or protect test/debug files
3. Ensure error logs don't contain sensitive data
## 5. Direct Query Usage - Low Risk
**Status:** ⚠️ Some `$pdo->query()` usage found
**Files:**
- `artist_profile_clean.php` - Uses `$pdo->query()` for static queries (lines 425, 625)
- `track.php` - Uses `$pdo->query()` for static count query (line 259)
- `community_fixed.php` - Uses `$pdo->query()` for static count query (line 442)
- `events.php` - Uses `$pdo->query()` for static query (line 146)
**Analysis:**
- These appear to be static queries (no user input)
- Low risk, but should be reviewed
- Consider using prepared statements for consistency
**Example:**
```php
// Current (low risk, but inconsistent):
$categories = $pdo->query($categories_query)->fetchAll();
// Better (consistent with rest of codebase):
$stmt = $pdo->prepare($categories_query);
$stmt->execute();
$categories = $stmt->fetchAll();
```
## 6. XSS Protection - Review Needed
**Status:** ✅ Generally good, but review output
**Current Protection:**
- ✅ `htmlspecialchars()` used in most places
- ✅ Prepared statements prevent SQL injection (which also helps with XSS)
**Areas to Review:**
- User-generated content display
- Search results
- Comments/feed items
- Profile information
**Recommendation:**
- Ensure all user input is escaped with `htmlspecialchars($var, ENT_QUOTES, 'UTF-8')` before output
- Use prepared statements for database queries
- Consider using a templating engine that auto-escapes
## 7. Session Security - Review
**Status:** ✅ Good, but could be enhanced
**Current:**
- ✅ Session timeout implemented
- ✅ Session regeneration on login
- ✅ Secure session handling
**Potential Enhancements:**
1. **Session Fixation Protection** - Already implemented (regeneration)
2. **Session Cookie Security** - Ensure `session.cookie_httponly = 1` and `session.cookie_secure = 1` (if HTTPS)
3. **Session Storage** - Consider database-backed sessions for scalability
## 📋 Priority Action Items
### High Priority (Security Impact)
1. ⚠️ **Add Content Security Policy** - Prevents XSS attacks
2. ⚠️ **Enhance File Upload Validation** - Centralize and strengthen validation
### Medium Priority (Best Practices)
3. ⚠️ **Complete CSRF Protection** - Add to remaining forms
4. ⚠️ **Review Error Disclosure** - Ensure no sensitive data in errors
5. ⚠️ **Standardize Query Usage** - Use prepared statements consistently
### Low Priority (Code Quality)
6. ⚠️ **Review XSS Protection** - Audit all user output
7. ⚠️ **Session Security Review** - Verify cookie settings
## 🎯 Summary
**Critical Vulnerabilities:** ✅ **ALL FIXED**
**Remaining Issues:**
- ⚠️ CSP header missing (Medium priority)
- ⚠️ File upload validation could be enhanced (Medium priority)
- ⚠️ CSRF protection incomplete (Medium priority)
- ⚠️ Minor code quality improvements (Low priority)
**Overall Security Status:** ✅ **GOOD** - Critical issues resolved, remaining items are enhancements
## 📝 Next Steps
1. **Immediate:** Add CSP header to `includes/security.php`
2. **Short-term:** Enhance file upload validation
3. **Medium-term:** Complete CSRF protection on remaining forms
4. **Ongoing:** Regular security audits and code reviews