'Facing 403 error while uploading images on my sites dashboard

I am having issue whenever I upload image from my site's admin dashboard.

It's always 403 error. I have all my possible best but no way.

This is the code in the filesystem.php. Please help, what am I not doing correctly?

'disks' => [
        
        'local' => [
            'driver' => 'local',
            'root'   => storage_path('app'),
        ],
        
        'public' => [
            'driver'     => 'local',
            'root'       => storage_path('app/public'),
            'url'        => env('APP_URL').'/storage',
            'visibility' => 'public',
        ],
        
        'private' => [
            'driver' => 'local',
            'root'   => storage_path('app/private'),
        ],
        
        //---
        
        // Used for Admin -> Log
        'storage' => [
            'driver' => 'local',
            'root'   => storage_path(),
        ],

        // Used for Admin -> Backup
        'backups' => [
            'driver' => 'local',
            'root'   => storage_path('backups'), // that's where your backups are stored by default: storage/backups
        ],


Solution 1:[1]

I think CSRF is missing in this form.

Sources

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Source: Stack Overflow

Solution Source
Solution 1 Arnab Sikdar